Fundraising Fox
645 Ventures
Venture capitalNew York · Pre-Seed–Late Stage · 18 people tracked
Also known as 645 VENTURES MANAGEMENT, LLC
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Investment thesis
645 Ventures invests at the earliest stages in founders it characterizes as exceptional, seeking four traits: purity of motivation, an earned secret, obsessive problem-solving focus, and non-consensus thinking. The firm concentrates on seven areas of deep domain experience—enterprise, deep tech, AI infrastructure and developer tools, fintech, consumer, cybersecurity, and health tech—and aims to partner closely with founders beyond capital, helping with go-to-market strategy, fundraising, round structuring, and customer acquisition and retention. It typically writes $1–5M seed checks, $5–10M at Series A, and $5–15M for growth and late stage.
Source: firm website, verified Sep 29, 2026.
Team · 18 people
from the firm's website & curated
Founder mafia
4 people who came through 645 Ventures went on to found or lead other companies.
What they invest in
from 103 of 159 portfolio companiesAI & Machine Learning ×55SaaS ×53Enterprise Software ×39Fintech ×18Consumer ×12Data & Infrastructure ×12Developer Tools ×12Cybersecurity ×10
HQs:United States×84United Kingdom×2United Arab Emirates×1Argentina×1Canada×1Switzerland×1
Who they back
founder profiles across 57 portfolio companiesFounding team size:solo founder×182 founders×183 founders×164+ founders×5
Where their founders studiedfrom 96 founders with education data
Princeton University ×5University of Toronto ×5Stanford University Graduate School of Business ×4The Wharton School ×4Brown University ×3Carnegie Mellon University ×3University of California, Berkeley ×3Arizona State University ×2
What their founders studiedfrom 88 founders with field-of-study data
Computer Science ×38Engineering ×22Business & Management ×12Economics ×11Finance & Accounting ×6Mathematics & Statistics ×4Physics ×3Politics & Policy ×3
Where their founders worked beforefrom 102 founders with career history
Google ×10Uber ×6Microsoft ×5Amazon ×4Stanford University ×4Emburse ×3Goldman Sachs ×3HelloSign ×3
Accelerator rootsportfolio companies that came through a program
6 founders hold a PhD · 18 hold an MBA (of 96 with degree data)
Investments · 159 tracked
founders shown can be your intro pathBy year:2026 · 102025 · 82024 · 92023 · 92022 · 82021 · 72020 · 62019 · 42017 · 32016 · 266 dated
FiscalNote provides AI-powered software that aggregates and interprets legislative and regulatory data to help organizations track and influence policy outcomes.
AI & Machine LearningData & InfrastructureGovTechSaaSWashington, US
Tim Hwang(Co-founder)inGerald Yao(Co-founder)inJonathan Chen(Co-founder)inPaul Donnell(Chief Accounting Officer)inJon Slabaugh(CFO and Senior VP of Corporate Development)inRichard Henderson(Executive Officer)in
PartnerAaron Holiday· led
Co-investorsArrowroot CapitalChaac VenturesConversion CapitalDorm RoomEastward Capital PartnersElysium Ventures+22 more
Lunchbox is a digital commerce platform for enterprise restaurants that unifies ordering, catering, loyalty, and marketing functions.
Enterprise SoftwareFoodTechRetail TechSaaSNew York, US
Nabeel Alamgir(Executive Chairman & Founder)inAndrew Boryk(Founder)inJames Walker(CEO)in
Board seatNnamdi Okike· per SEC Form D
Co-investorsPrimary Venture Partners1982 VenturesBeaconsfield CapitalBeyond CapitalCoatue ManagementEvolution VC Partners+7 more
Upside provides end-to-end housing stabilization services for individuals experiencing housing instability within healthcare settings, serving health plans, employers, and their members across Medicaid, Medicare, and employer coverage.
Enterprise SoftwareHealthtechSaaSSocialWellness & FitnessFort Lauderdale, US
Jake(CEO)inPeter Badgley(Executive Officer, Director)inJacob Rothstein(Executive Officer, Director)
Board seatAaron Holiday· per SEC Form D
Co-investorsEquitage Ventures, L.L.C.Flare Capital PartnersTechstars
Meridian is a CRM and data platform for venture capital and investment firms that centralizes deal history, automates workflow logging, and enriches records with a bundled database of 26 million company records and verified contacts.
AI & Machine LearningFintechSaaS
Alex Sen(Founder & CEO)inAlex Zagoro(Chief Technology Officer)in
Co-investorsDniproAndreessen Horowitz
Stake is a digital real estate investment platform that enables global property ownership by providing access to curated real estate funds and fractional ownership opportunities.
AI & Machine LearningB2B MarketplacesDeveloper ToolsFintechMedia & EntertainmentMobility & TransportationPropTechSaaSDubai, AE
Vytis Šliažas(CEO and co-founder)Manar Mahmassani(Co-Founder and Co-CEO)Rami Tabbara(Co-Founder and Co-CEO)
Co-investors359 CapitalCarya Venture PartnersEmirates NBDHF0Superhero CapitalWa'ed Ventures+1 more
Clerq is a payment platform that lets businesses accept guaranteed bank-account payments from customers in store or online, reducing card processing fees and chargeback risk.
FintechSaaSNew York, US
Truett Dwyer(Executive Officer, Director)inBenjamin Markowitz(Executive Officer, Director)
BoardAdam Nelson(Director)
Board seatNnamdi Okike· per SEC Form D
Co-investorsCoalition OperatorsFikaFirstMark CapitalCommerce VenturesDash FundFika Ventures
ECL provides non-dilutive, revenue-based financing to SaaS and AI companies with recurring revenue, using AI-assisted underwriting to make cross-border funding decisions quickly.
AI & Machine LearningFintechSaaSNew York, US
KAUSTAV DAS(Executive Officer, Director)inMANISH ARORA(Director)in
BoardSANDEEP PATIL(Director)in
Board seatAaron Holiday· per SEC Form D
Co-investorsEudemian VenturesEverywhere VenturesFJ LabsLorimer VenturesQED InvestorsTwo Culture Capital+2 more
Mandolin provides AI agents that automate back-office workflows for specialty drug administration, including patient intake, benefits verification, prior authorizations, and revenue cycle management for infusion centers and clinical practices.
AI & Machine LearningEnterprise SoftwareHealthtechSan Francisco, US
Mary Kay Huse(Executive Officer, Director)Will Yin(CEO & Co-Founder)inRohit Rustagi(Co-Founder & COO)in
BoardMike Fitzgerald(Director)inEric Tobias(Director)inScott D. Dorsey(Director)in
Board seatNnamdi Okike· per SEC Form D
Co-investorsGreylock PartnersSignalFireSV AngelTimeless Partners VenturesFoundryHigh Alpha+1 more
RentSpree is a digital platform that simplifies the home rental process by streamlining tenant screening, applications, and rent payments for renters, agents, and landlords.
MarketplacesPropTechSaaSLos Angeles, US
Michael Lucarelli(CEO & Co-founder)inPaul Sirisuphang(COO & Co-founder)Ekabutr Sirisuphang(Director)in
Board seatNnamdi Okike· per SEC Form D
Co-investorsAmplify.LAKube VCRally Ventures Management, LlcVesta VenturesGreen Visor CapitalTenOneTen Ventures
Boston, US
Michael Gresty(Executive Officer, Director)Irina Mladenova(Executive Officer, Director)
BoardDominic Endicott(Director)inJeff Herrmann(Director)
Board seatNnamdi Okike· per SEC Form D
Co-investorsWalnut Venture AssociatesNauta Capital
SkydropX provides shipping automation software for e-commerce and retail businesses in Mexico, handling label generation, tracking, delivery time estimation, and return management across the fulfillment process.
Enterprise SoftwareLogistics & Supply ChainMarketplacesSaaSMonterrey, MX
Tavo Zambrano(Founder/CEO)inArmando Solbes(Founder)inLuis Garza Sada(Executive Officer, Director)Arnoldo Collin(Executive Officer, Director)
BoardWeston WAMP(Director)
Board seatAaron Holiday· per SEC Form D
Co-investorsFJ LabsSierra VenturesSoma CapitalY CombinatorCometaDynamo Ventures+2 more
Uptiq builds pre-built, domain-trained AI agents that automate operational work in banking and lending—covering prospecting, onboarding, underwriting, credit decisioning, risk monitoring, and client engagement.
AI & Machine LearningEnterprise SoftwareFintechMckinney, US
Snehal Fulzele(Executive Officer, Director)inGanapathi Palanipandian(Director)
BoardMichael Walsh(Director)
Board seatNnamdi Okike· per SEC Form D
Co-investorsCota CapitalCurql Collective, LLCEPIC VENTURESEvolution VenturesHourglass Venture PartnersSilverton Partners+8 more
Detroit, US
Raffaele Mautone(Executive Officer, Director)inThomas Lazay(Director)Julie Cullivan(Director)
Co-investorsCompanyon VenturesFirebrand VenturesGaingelsGutbrain VenturesInvest DetroitLeft Lane Capital+1 more
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Abacus provides real-time expense management software that handles employee reimbursements, corporate card reconciliation, and automated expense policy enforcement for companies.
Enterprise SoftwareFintechSaaSNew York City, US
Omar Qari(Founder/CEO)inTed Power(Founder/CPO)inJoshua Halickman(Founder/CTO)in
PartnerAaron Holiday· led
Co-investorsFundersClubHomebrewY CombinatorAvlok CapitalBessemer Venture PartnersGeneral Catalyst+6 more
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Accend is an AI platform for financial institutions to automate business underwriting, onboarding, and risk assessment.
AI & Machine LearningFintechSaaSSilicon Valley, US
Pranjal Daga(Founder)inYutong Pei(Founder)inJoseph Zhou(Founder)inMario F. Spinella(Executive Officer)inJeffrey Scott Szorik(Executive Officer)
Co-investorsAdverb VenturesY CombinatorAndreessen HorowitzFormulate VenturesGeneral CatalystOrange Collective+2 more
Alex is a recruitment automation platform that conducts candidate screening, interviews, and scoring using standardized questions and objective criteria.
AI & Machine LearningEnterprise SoftwareHR TechSaaSSan Francisco, US
Aaron Wang(Founder)inJohn Rytel(Founder)in
Co-investorsPeak XV PartnersPioneerUncorrelated VenturesY Combinator1984 Ventures Management, LlcEight Capital+2 more
Alma Security provides runtime application security that monitors applications in real time and captures context-specific telemetry across APIs, microservices, databases, dataflow, and identities.
CybersecurityDeveloper ToolsSaaS
Co-investorsWorld Trade Ventures (WTV)
Andrena is a wireless Internet service provider that delivers high-speed connectivity to multi-tenant buildings and households using wireless technology beamed to building roofs, then distributed wirelessly to units.
CleantechCloud ComputingNew Jersey, US
Neil Chatterjee(Founder)inJames Smits(Founder)in
Co-investorsAfore CapitalBollinger Investment GroupCalm VenturesCastle Island VenturesChaos VenturesChapter One+8 more
Apero is a healthcare software platform that provides scheduling, visit notes, revenue cycle management, patient billing, prescriptions, and financial reporting for medical practices.
HealthtechSaaSSan Francisco, US
Jacinda Shelly(Founder)inNick Shelly(Founder)in
Co-investorsInitialized CapitalJude GomilaOxonian VenturesSoma CapitalUpHonest CapitalVentureSouq+10 more
AptDeco is an online marketplace where users buy and sell used furniture with integrated delivery services.
Circular EconomyConsumerE-commerceLogistics & Supply ChainMarketplacesNew York City, US
Reham Fagiri(Founder/CEO)inKalam Dennis(Founder)inkalam dennis(Founder)in
BoardBrett Topche(Director)in
Co-investorsComcast VenturesFJ LabsGreat Oaks Venture CapitalHearstLabInitialized CapitalJumpStart New Jersey Angel Network+8 more
Arbor provides a platform that helps households access renewable electricity at lower costs while reducing energy-related complexity.
ConsumerEnergySaaS
Co-investorsCity LightFirst Round CapitalFJ LabsLowercarbon CapitalNext Play VenturesObvious Ventures+3 more
Arbor is an AI platform that turns an organization's video footage — webinars, interviews, and events — into a suite of repurposed content including clips, social posts, blog articles, email sequences, and pull quotes, with automatic brand templates and voice controls.
AI & Machine LearningMarketing TechSaaS
Co-investorsFoundersEdgeLowercarbon CapitalChaac VenturesComma CapitalNext Play Ventures
Arbor provides a platform for measuring carbon emissions across supply chains using supply-chain-specific data points rather than global averages, enabling calculations in minutes instead of months or years.
CleantechClimate TechData & InfrastructureEnterprise SoftwareImpact & Social GoodSaaS
Danny Grande(Founder)in
Co-investorsStartup TNTThin Air LabsChaac VenturesComma CapitalGigascale CapitalLowercarbon Capital+1 more
Arbor develops power systems intended to provide reliable, emissions-free baseload power at large scale.
CleantechClimate TechEnergyLos Angeles, US
Brad Hartwig(Founder)in
Co-investorsCantos VenturesChrysalixCongruent VenturesGigascale CapitalVoyager PartnersChaac Ventures+3 more
Aryeo is a platform for real estate media professionals and photographers to manage booking, client management, scheduling, and delivery of listing media such as photos, 3D home tours, floor plans, and AI virtual staging.
Marketing TechPropTechSaaSBoston, US
Branick Weix(Executive Officer, Director)in
Co-investorsAmplo VenturesSSC Venture PartnersHyperplane Venture Capital
Attention provides AI-powered sales tools for revenue teams, automating CRM data entry and providing real-time sales coaching to improve call outcomes and rep productivity.
AI & Machine LearningEnterprise SoftwareSaaSSales Tech
Anis Bennaceur(Founder)inMatthias Wickenburg(Founder)in
Co-investorsAglae VenturesAlvenEniac VenturesFrstJude GomilaMGV.VC+3 more
Beauty Bakerie is a cosmetics brand that sells makeup remover wipes and other beauty products.
ConsumerDirect to ConsumerE-commerceWellness & Fitness
Cashmere Nicole(Founder and Leader)
Co-investorsMontage CapitalNew VoicesUnilever Ventures
San Francisco, US
Antoine Amiel(Director)Eric Varady(Executive Officer, Director)Rob Varady(Executive Officer)George Schaeffer(Director)Michael Tolentino(Director)
Co-investorsCosmic Venture PartnersOutbound Ventures8VCHouse
Betterview is a property intelligence platform that enables insurance underwriters to assess properties and manage risk using high-resolution aerial imagery, AI analysis, and integrated data from multiple sources.
AI & Machine LearningInsurTechPropTech
Co-investorsMetaProp VenturesArab AngelChestnut Street VenturesCompoundHaystackMetaProp+2 more
Betterview provides a property intelligence platform that combines high-resolution aerial imagery with AI to detect roof condition, property perils, and risk factors, and integrates 2,500+ external data points with insurers' internal policy data.
AI & Machine LearningInsurTechMobility & TransportationPropTechSan Francisco, US
Dave TobiasDavid Lymanin
PartnerAaron Holiday· led
Co-investors500 GlobalAlumni VenturesManchesterStory Group, LLC
Bigeye is a data observability platform that monitors and improves the reliability of datasets and pipelines for data engineering teams.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareDaly City, US
Kyle Kirwan(Co-founder)inEgor Gryaznov(Co-founder)in
Co-investorsCoatue ManagementRackhouse Venture Management LpRogue CapitalSequoia CapitalCostanoa VenturesIn-Q-Tel
Bristle provides digital tools and insights to help people assess and improve their oral health, positioning dental care as a preventive step toward overall wellness.
Digital HealthHealthtechWellness & FitnessSan Francisco, US
David Lin(Founder)inBrian Maurer(Founder)inShivam Patel(Founder)in
Co-investorsInitialized CapitalR/GA VenturesY CombinatorAxial VCBR CapitalNorth South Ventures
Causal provides an extended planning and analysis (xP&A) platform for finance teams, offering budgeting, forecasting, scenario planning, and reporting that connects data across departments.
Enterprise SoftwareFintechSaaSClaymont, US
Taimur Abdaal(Executive Officer, Director, Promoter)inLukas Koebis(Executive Officer, Director, Promoter)
Co-investorsAccelCoatue ManagementNat TurnerPassion CapitalVerissimo VenturesAmity Ventures+5 more
Causely builds autonomous reliability software that helps engineering teams prevent incidents and reduce troubleshooting time in cloud-native environments.
AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise SoftwareNew York City, US
Dr. Shmuel Kliger(Founder)Enlin Xu(Founder)in
Co-investors2.12 AngelsAmity VenturesCervinGlasswing VenturesTau VenturesTAU Ventures
An AI-native holding company that acquires and develops B2B software businesses serving the everyday economy, operating as a permanent investor and operator that applies AI to help portfolio companies compound over time.
AI & Machine LearningEnterprise SoftwareSaaS
Co-investorsAvonmore DevelopmentsBlackSheep VenturesCDP Venture CapitalEBRD Venture Capital Investment ProgrammeFounders FactoryFounders Factory NY+4 more
Condor is an enterprise-grade financial cloud platform purpose-built for accounting, finance, clinical operations, and FP&A teams in biopharma companies.
AI & Machine LearningBiotechEnterprise SoftwareFintechSaaS
Jennifer Kyle(Founder, Chief Executive Officer)in
Co-investorsActivant CapitalFelicis VenturesPamir VenturesThe MBA FundBramalea PartnersInsight Partners
Spring, US
Alexander Whatley(CEO)
BoardJohn Cowgill(Director)in
Co-investorsTorch CapitalCostanoa VenturesVertex Ventures
Cube provides a semantic layer that lets data teams define metrics, dimensions, joins, and access rules once and serve them to dashboards, embedded analytics, and AI agents through SQL, REST, GraphQL, MCP, DAX, and MDX APIs.
AI & Machine LearningData & InfrastructureDeveloper ToolsFuture of WorkSaaS
Artyom KeydunovinMike MelaninPavel Tiunovin
Co-investors500 GlobalBain Capital VenturesDecibel PartnersEniac VenturesEverywhere VenturesBetaworks+4 more
Data Center Frontier is a media and publishing organization covering the data center industry, cloud computing infrastructure, and artificial intelligence-era digital infrastructure.
Cloud ComputingData & InfrastructureMedia & EntertainmentCentral New Jersey, US
Rich Miller(Founder)in
Co-investorsAngeles Equity
DeepSource provides developer tools for code quality and security.
AI & Machine LearningCybersecurityDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Sanket Saurav(Co-founder & CEO)inJai Pradeesh(Co-founder, President)in
Co-investorsFundersClubEssence Venture CapitalHack VCRogue CapitalTango.vcPioneer+6 more
Edera builds products focused on secure computing.
Cloud ComputingCybersecurityDeveloper ToolsSeattle, US
Emily Long(Executive Officer, Director, Promoter)inAlex Zenla(Founder)in
BoardHADLEY HARRIS(Director)JAMES WU(Director)
Co-investorsEniac VenturesFPVGenerationshipM12 (Microsoft's Venture Fund)Mantis CapitalRosecliff Ventures+2 more
Edge AI is an analytics platform that lets users query complex commodity data in natural language, model scenarios, and stress test market conditions to surface trade insights.
AI & Machine LearningFintechSaaSNew York City, US
Shihab Malik(Founder)in
Co-investorsConvective Capital
ElectroNeek provides a platform combining RPA, AI agents, intelligent document processing (IDP), and iPaaS for business process automation.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSAustin, US
Sergey Yudovskiy(Founder / CEO)in
Co-investorsY CombinatorRuvento Ventures Pte Ltd.Soma CapitalYellow Rocks!Agrolimen VenturesANGELSDECK FO+4 more
Ellis is a platform for private credit fund managers that ingests, structures, validates, and reconciles data from disparate sources such as loan tapes, general ledgers, and fund admin reports.
AI & Machine LearningFintechSaaS
Co-investorsFirst Round CapitalWilshire Lane CapitalKhosla VenturesSlow Ventures
Ellis is a modern immigration law firm that combines legal services with a software platform to manage U.S. immigration and visa processes for companies.
HR TechLegalTechSaaSNew York City, US
Co-investors20VCAdapt VenturesKindred VenturesV1 VCKhosla VenturesSlow Ventures
EngineEars is a platform that connects musicians with recording studios and engineers for booking and collaboration, while also providing music distribution and direct-to-fan sales tools.
B2B MarketplacesCreator EconomySaaSLos Angeles, US
Luke Sorenson(Founder)in
Co-investorsDrive CapitalSlauson & Co.
Epic Aerospace builds Orbit Transfer Vehicles (space tugs) that enable satellites to be deployed to any orbital destination from shared launch vehicles and to move within space.
Advanced ManufacturingDeep TechHardwareSpace TechBuenos Aires, AR
Ignacio Belieres Montero(Founder)in
Co-investorsEmles Venture PartnersFlucas VenturesITERATIVEMetaplanetY CombinatorAult Krug Ventures+4 more
Fat Llama was a UK-based peer-to-peer rental marketplace that let people rent out items such as cameras, drones, and equipment to others nearby, with lender protection guarantees.
Circular EconomyConsumerHardwareInsurTechMarketplacesLondon, GB
Chaz Englander(Founder/CEO)inRosie Dallas(Founder/COO)inOwen Turner-Major(Founder/CTO)inOla Degerfors(Co-founder & CEO)inHenrik Fräsén(Co-founder, Head of Product & Growth)inAxel Hellström(Co-founder, Head of Customer Success)in
Co-investorsAngels DenBlossom CapitalY CombinatorACE & CompanyAtomicoBoxGroup+4 more
Forterra develops autonomous weapons, sensors, and battlefield systems using distributed control networks for defense operations.
AI & Machine LearningDefense TechRobotics
Alberto Lacaze(Chairman of the Board and President)inJoseph Putney(Chief Technology Officer)in
Co-investorsCollaborative FundCRESCENT COVE CAPITALEnlightenment CapitalGlynn Capital ManagementNightDragonSalesforce Ventures+9 more
Genially is a platform for creating interactive and animated content, with built-in AI tools for content generation.
AI & Machine LearningCreator EconomyEdTechSaaS
Luis García Díez(Founder)in
Co-investorsAthos CapitalBrighteye VenturesCiveta InvestmentFJ LabsMarket One CapitalOwl Ventures+3 more
Gimlet Labs is an AI research and systems company that builds production-grade AI applications and supports startup development.
AI & Machine LearningCloud ComputingDeep TechSan Francisco, US
Zain Asgar(Founder)inMichelle NguyeninOmid Azizi(Founder)in
Co-investorsAdvaita CapitalAndreessen HorowitzMenlo VenturesSapphire VenturesTiger Global ManagementTriatomic Capital+4 more
Glass Health provides an AI platform that assists clinicians in generating diagnostic hypotheses and developing treatment plans.
AI & Machine LearningHealthtechSaaSSan Francisco, US
Dereck Paul(Founder/CEO)inWilliam Hart(Founder/CTO)inBrett Plotzker(Executive Officer, Director)Jeremy Bluvol(Executive Officer)
BoardHari Sundram(Director)Jeffrey Parkinson(Director)
Co-investorsBreyer CapitalHeadwater VenturesInitialized CapitalY CombinatorOrange CollectiveRenegade Partners+1 more
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Goldbelly is an online marketplace that ships iconic foods, meals, desserts, regional specialties, and gourmet food gifts from restaurants and local shops to customers across the United States.
ConsumerE-commerceFoodTechMarketplacesMobility & TransportationNew York City, US
Joe Ariel(Founder/CEO)inJoel Gillman(Founder/Vice President of Engineering)inVanessa Torrivilla(Founder/CPO)inTrevor Stowin
PartnerAaron Holiday· led
Co-investors3Spoke Capital500 GlobalFundersClubIntel CapitalSpectrum EquityTuesday Capital+5 more
Haplotype Labs develops population genetics software and polygenic risk scores with improved security, accessibility, and sophistication to enhance human healthspan.
AI & Machine LearningBiotechHealthtechMedical DevicesSaaSSan Francisco, US
Mike Polcari(Founder)in
Co-investorsY CombinatorBrainstorm VenturesSoma Capital
HockeyStack provides multi-touch attribution and marketing analytics software that tracks buyer journeys across online and offline channels, serving B2B marketing and sales teams.
AI & Machine LearningEnterprise SoftwareMarketing TechSaaSSales TechSan Francisco, US
Buğra Gündüz(Co-Founder & CEO)inEmir Atli(Founder)inArda Bulut(Founder)in
Co-investorsBessemer Venture PartnersJude GomilaPage One VenturesPioneerRuschin Family OfficeSignalFire+16 more
New York City, US
Co-investorsClimate Tech PartnersEmpire AngelsGotham Gal VenturesTechstarsGreat Oaks Venture CapitalLiberty City Ventures+3 more
InPharmD is a medical literature research platform that analyzes published studies to answer clinical pharmacology questions, specifically focused on adverse drug reactions and medication safety.
AI & Machine LearningDigital HealthHealthtechAtlanta, US
Ashish Advani(Founder)inTulasee Rao Chintha(Founder)in
Co-investorsAsymmetry VenturesAtlanta Tech VillageY CombinatorAV CapitalBlackwood Healthcare BreakthroughsHanmi Healthcare+1 more
Iterable provides customer communication and engagement software that enables brands to create targeted messaging experiences across email, SMS, push, and other channels.
AI & Machine LearningEnterprise SoftwareMarketing TechMedia & EntertainmentSaaSSan Francisco, US
Andrew Boni(Co-founder, CEO (2021-2025))inJustin ZhuinHaoran Zhu(Executive Officer, Director)
BoardSabri Murat Bicer(Director)
PartnerAaron Holiday· led
Co-investors3Spoke Capital500 GlobalAngelPadArtisanal VenturesBrighter CapitalCRV (Charles River Ventures)+9 more
Judy is a cybersecurity platform designed for MSPs and SMBs that combines AI threat detection with human security expertise to protect endpoints, emails, and networks.
CybersecurityReston, US
Raffaele Mautone(Founder)in
Co-investorsCompanyon VenturesFirebrand VenturesID VenturesLeft Lane CapitalMichigan RiseNext Coast Ventures+1 more
LeagueApps provides a youth sports management platform that handles registration, payments, scheduling, communications, reporting, facilities, and website design for clubs, camps, tournaments, and leagues.
SaaSSports TechNew York, US
Jeremy Goldberg(President)inBrian Litvack(CEO & Co-Founder)inSteve Parker(CTO & Co-Founder)inLinda Wang(Chief of Staff)inLeigh Hartman(Vice President, People)inPaul Cusick(Vice President, Sales)in
Co-investors3Spoke CapitalAccel-KKRContour Venture PartnersR/GA VenturesScout VenturesScout Ventures+4 more
Lightsprint is an AI-native platform where developers, product managers, and designers plan, build, and ship software together using parallel cloud agents.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US
Ben Ong(Founder/CEO)inBenedict Chan(Founder)inHeng Hong Lee(Founder)in
Co-investorsSterling RoadTranspose Platform ManagementY CombinatorBatch VenturesFjor FoundersFounder Capital+2 more
Lunchbox Entertainment develops competitive gaming experiences.
Gaming
Arik Torkelson(Founder / Chief Game Officer)inJack Wink(Founder / Co-CEO)Max Wink(Founder / Co-CEO)in
Co-investorsRyze LabsCoatue ManagementPrimaryPrimary Ventures
Lyte operates a network of kiosks where users rent and return portable smartphone chargers via credit card or through the Lyte app, with options like day-passes and subscriptions.
ConsumerHardwareIoTSan Mateo, US
Dajiang Wei(Founder)in
Co-investorsBling CapitalExpansion Venture CapitalValkyrie
Meridian Clean Energy focuses on long-term energy system decarbonization through the acquisition and management of renewable energy assets.
CleantechClimate TechEnergyOakland, US
John(Co-founder & CEO)Peter(Co-founder & Managing Partner)
Co-investorsPrelude VenturesAndreessen Horowitz
MM.LaFleur is a personal styling service that delivers curated professional clothing selections to subscribers.
ConsumerDirect to ConsumerE-commerceNew York, US
Co-investorsElizabeth Street VenturesGrace Beauty Capital
Momos provides AI agents for hospitality brands that automate guest relations across channels such as reviews, SMS, email, and third-party delivery, auto-resolving support tickets and generating customer experience insights.
AI & Machine LearningMarketing TechSaaS
Sai Alluri(Founder)in
Co-investorsAlpha Wave GlobalBrainstorm VenturesCaptii VenturesCorrelation VenturesFJ LabsHOF Capital+5 more
Nanit makes a smart baby monitor system with 1080p HD video, computer-vision sleep tracking, breathing monitoring via sensor-free garments, and environmental tracking, plus a companion app with subscription-based sleep and development analytics.
Digital HealthHardwareIoT
Anushka Salinasin
PartnerAaron Holiday· led
Co-investorsEastward Capital PartnersGV (Google Ventures)HCVCJerusalem Venture Partners (JVP)RRE VenturesSpringcoast Capital Partners+4 more
Navattic builds interactive product demo software that helps sales teams engage buyers and accelerate deal closure.
Enterprise SoftwareMarketing TechSaaSSales TechNew York City, US
Neil McLean(Founder)inRandy Frank(Founder)inChris Hoyle(Founder)in
Co-investorsBrexCanvas VenturesLighthouse Network Ventures LlcRecall CapitalY Combinator
o11 builds AI agents integrated into enterprise applications.
AI & Machine LearningEnterprise SoftwareFintechSaaSSan Francisco, US
Aryah Oztanir(Founder / CEO)inAjay Misra(Founder)in
Co-investorsY CombinatorAccelCare ShiftCRV (Charles River Ventures)Eight CapitalPhosphor Capital+1 more
Ondat (formerly StorageOS) built a Kubernetes-native container storage platform turning commodity disks into enterprise-grade persistent storage for containerized workloads.
Co-investorsAlumni Ventures
Oort provided identity security and threat detection, now part of Cisco as Cisco Identity Intelligence, offering visibility into an organization's identity population and helping move toward passwordless authentication.
CybersecurityEnterprise SoftwareSaaSHarvard, US
Matthew Caulfield(Executive Officer, Director)
Co-investors.406 VenturesArgon VenturesCisco InvestmentsDreamit VenturesEnergy Impact PartnersEnergy Revolution Ventures+2 more
OpenHands is an open-source platform for building and deploying AI coding agents that can be deployed locally or across an organization.
AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise Software
Robert Brennan(CEO)inGraham Neubig(Chief Scientist)inXingyao Wang(Chief AI Officer)inBen Solari(CRO)in
Co-investorsAlumni VenturesBetaworksFujitsu VenturesMadrona Venture GroupMenlo VenturesPillar VC+2 more
Overtime creates and operates new sports leagues and media IP — including OTE and OT Select in basketball and OT7 and OT Nationals in football — while producing over 150 weekly pieces of original sports content for its global audience of next-generation fans and athletes.
ConsumerCreator EconomyMedia & EntertainmentSports TechBrooklyn, US
Zachary Weiner(Founder)inZack Weiner(Founder)inDan Porter(Founder & CEO)
Co-investors359 CapitalAndreessen HorowitzBezos ExpeditionsBlack CapitalSpark CapitalWinslow Capital+28 more
Pair AI offers practical coding competitions to assess software engineering candidates at scale, replacing traditional resume-based and LeetCode-style hiring.
AI & Machine LearningConsumerCreator EconomyHR TechMarketplacesSaaSNew York City, US
Parth Detroja(Founder)in
Co-investorsGSV VenturesRoble VenturesSLVCY CombinatorRebel FundSandhill (ex Stonks)+2 more
Pomo is an AI marketing platform that connects market signals — competitor activity, commerce, search, social, customer conversations, and AI visibility — and turns detected changes into drafted campaigns, outreach, and recommendations for review.
AI & Machine LearningMarketing TechSaaSPalo Alto, US
Joe Cheuk(Founder)inPraneet Dutta(Founder)in
Co-investorsKindred VenturesSeven Stars VenturesDatabricks VenturesSV AngelTimeless Partners Ventures
Poshly (branded as Suzy) provides a consumer research and market intelligence platform that connects existing research and trend data to quickly surface validated answers, briefs, and business cases for brand and marketing teams.
AI & Machine LearningData & InfrastructureMarketing TechNew York, US
Doreen Bloch(Executive Officer, Director)in
BoardJonathan M. Molin(Director)
Co-investorsAlpaca VCWI Harper Group
ProvenMetal manufactures printed circuit boards with fast seven-day turnaround and 100% X-ray inspection coverage.
Advanced ManufacturingHardwareRoboticsSan Francisco, US
Johnny Doyle(Co-Founder & CEO)inWill Carkner(Co-Founder & CTO)in
Co-investorsTranspose Platform ManagementY CombinatorA3 VenturesAlumni VenturesCollab+CurrencyMetsu Capital+1 more
Streaming for next-gen video creators in AI, XR, and blockchain
New York City, US
Co-investorsColopl NextDG Daiwa VenturesGFR FundSocial StartsSony Ventures CorporationTechstars
Redblock builds agentic AI that automatically executes identity and access management actions—such as joiner/mover/leaver lifecycle changes, account aggregation, and access revocation—inside business applications that don't integrate with existing IAM systems.
AI & Machine LearningCybersecurityEnterprise Software
Repacket builds security software that detects and prevents employee mistakes in real time.
AI & Machine LearningCybersecurityEnterprise SoftwareSaaSVancouver, CA
Noah Stanford(Founder)in
Co-investorsInitialized CapitalY CombinatorBoxGroupPioneer468 CapitalUnpopular Ventures
Resident is a direct-to-consumer mattress company that manufactures and sells memory foam and hybrid mattresses under brands including Nectar, DreamCloud, Awara, and Siena.
ConsumerDirect to ConsumerE-commerceLas Vegas, US
Eric Hutchinson(Co-Founder & CEO)inRan ReskeinCraig SchmeizerinSharon DaganinTomer HatavinScott McLeod(Co-Founder & Chief of Staff)in
Co-investorsConductive VenturesGlynn Capital ManagementLiquidity CapitalNexus Capital ManagementTop Corner CapitalVCFA Group
Risotto is an AI help desk platform for internal support across multiple departments (IT, HR, Finance, Legal, Security) that automates repetitive questions, routes tickets, and manages access control by integrating with knowledge bases and communication tools like Slack and Teams.
AI & Machine LearningEnterprise SoftwareHR TechSaaSSan Francisco, US
Aron Solberg(Founder)inAlex Confer(Founder)inChris Paul(Founder)in
Co-investorsAlumni VenturesBonfire VenturesPioneerRitual CapitalTranspose Platform ManagementY Combinator+3 more
Leading online grocery shopping, delivery and data analytics platform for the US grocery industry.
E-commerceLogistics & Supply ChainMarketplacesIthaca, US
Nick Nickitas(Executive Officer, Director)Raymond Chang(Director)Jonathan Ambrose(Director)
Co-investorsAvenue Growth PartnersNXT Ventures
RunAnywhere is a research-first inference lab that hand-writes GPU kernels and develops SDKs to accelerate large language model inference on consumer silicon, particularly Apple devices.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareHardwareSan Francisco, US
Sanchit Monga(Co-founder & CEO)inShubham Malhotra(Founder)in
Co-investorsY CombinatorTranspose Platform ManagementUntapped CapitalTeam Ignite
Sazabi builds an observability platform that uses AI to help engineering teams understand and control production systems.
AI & Machine LearningCloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Sherwood Callaway(Founder)inAbhi Aiyer
Co-investorsHawk Hill VenturesOrange CollectiveY CombinatorZypsy CapitalJ2 VenturesVillage Global
Sekai is an AI-powered platform where users create, remix, and share interactive mini-apps instantly without coding, ranging from utilities to games.
AI & Machine LearningConsumerCreator EconomySocial
Kaiser Kim(Founder)inLucky Z.(Founder)inAzhar Deen(Founder)in
Co-investors359 CapitalA16Z SpeedrunConnect VenturesMakers FundMVP VenturesA*+3 more
Sequence develops 3D-printed mesh-silicone orthotic insoles combined with objective movement analysis of the kinetic chain (feet through spine), using standing foot scans and dynamic gait data to provide targeted sensory support that helps improve everyday movement.
HardwareHealthtechMedical DevicesBredebro, DK
Setpoint develops wireless climate control networks for multi-room buildings, allowing users to monitor and automate indoor climate conditions in individual rooms through its Climate Intelligence Platform.
AI & Machine LearningClimate TechEnergyEnterprise SoftwareIoTPropTechSaaS
Co-investorsFusion VCGateway Capital PartnersAndreessen HorowitzWells Fargo Advisors
Setpoint provides a technology platform for loan origination and syndication, helping lenders and originators manage loan relationships and capital transactions with improved standardization and reduced operational error.
Enterprise SoftwareFintechSaaS
Stuart Wall(CEO, Co-founder)inBen Rubenstein(President, Co-founder)inMichael Lam(CIO, Co-founder)in
Co-investorsAndreessen HorowitzATX Venture PartnersFloating PointNextView VenturesVesta Ventures75 & Sunny
Shield AI develops AI pilot systems for military applications including aircraft, drones, ships, satellites, and submarines.
AI & Machine LearningDefense TechSan Diego, US
Brandon Tseng(President & Co-Founder)inRyan Tseng(President, Co-Founder & Chief Strategy Officer)inAndrew Reiter(Co-Founder)inKingsley Afemikhe(Executive Officer)inGary Steele(Chief Executive Officer)in
BoardKeith Dunleavy(Director)
Co-investorsAdvaita CapitalAF WPartnersAlpha PartnersAltra VentureAndreessen HorowitzBeyond Capital+39 more
Shift5 provides operational intelligence and cybersecurity solutions for military and commercial fleets across aviation, ground transportation, maritime, and rail sectors, helping operators detect threats and maintain system resilience in real-time.
CybersecurityDefense TechIoTArlington, US
Josh Lospinoso(Founder)inToby Magsig(President and Chief Executive Officer)Ronak Shah(Chief Technology Officer)in
Co-investorsBoeing HorizonX VenturesBooz Allen VenturesCenter15 CapitalInsight PartnersSavano Capital PartnersTeamworthy Ventures+3 more
Shop Circle is a holding company that acquires and modernizes B2B enterprise software businesses, applying AI to operate and grow the companies it owns.
AI & Machine LearningEnterprise SoftwareSaaSLondon, GB
Gian Maria Gramondi(Founder)in
Co-investors3VCBlackSheep VenturesCDP Venture CapitalEUREKA! VentureFirst Check VenturesPrimo Ventures+4 more
Slite provides a knowledge base platform designed for team collaboration and information organization.
AI & Machine LearningEnterprise SoftwareFuture of WorkSaaSBerlin, DE
Christophe Pasquier(Founder)in
Co-investorsY CombinatorAfore CapitalAndreessen HorowitzBanana CapitalBoxGroupChaac Ventures+12 more
Solidus Labs provides compliance and market monitoring software for cryptocurrency and traditional finance.
Crypto & Web3CybersecurityEnterprise SoftwareFintechNew York, US
Asaf Meir(Executive Officer, Director)inChen Arad(Director)inPraveen Kumar(Executive Officer, Director)Praveen K. Dosodia(Founder)
BoardProsor Lior(Director)Shimon Mazor(Director)
Co-investorsBeacon VCDeclaration PartnersEvolution Equity PartnersF-Prime CapitalHanaco Venture CapitalEvolution Technology+4 more
Spiketrap is a provider of conversation intelligence, applying AI to analyze online conversations.
AI & Machine LearningData & InfrastructureMarketing TechSan Francisco, US
Virgilio Pigliucci(Executive Officer, Director, Promoter)Kieran Fitzpatrick(Executive Officer, Director, Promoter)
PartnerAaron Holiday· led
Co-investorsLighter CapitalPathbreaker Ventures20VCAnorak VenturesOceans VenturesSusa Ventures+2 more
Paysponge provides financial infrastructure for AI agents, enabling them to hold, spend, and earn money through credit cards, bank accounts, and crypto.
AI & Machine LearningCrypto & Web3Enterprise SoftwareFintechSan Francisco, US
Eric Zhang(Founder)inJae Choi(Founder)inRishab Luthra(Founder)in
Co-investorsLeonis CapitalY CombinatorAmino CapitalAndreessen HorowitzBalaji RollingCoinbase Ventures+5 more
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Squire is an AI tool that analyzes consultation conversations, documents, patient history, and dictations to generate medical reports, forms, and codings in standards like FHIR, SNOMED CT, and ICD-10.
AI & Machine LearningDigital HealthHealthtech
Co-investorsEntourage VenturesICONIQ CapitalTiger Global Management
Squire operates a two-sided platform where customers can book appointments with barbers while shop owners gain access to integrated booking, payment processing, inventory, and payroll tools to manage their operations.
ConsumerNew York City, US
Songe LaRon(Founder/CEO)inDave Salvant(Founder/President)in
PartnerAaron Holiday· led
Co-investorsAltaIR CapitalAurumCRV (Charles River Ventures)Debut CapitalICONIQKima Ventures+11 more
Stellar Sleep develops a digital solution for sleep management, founded by former insomniacs in collaboration with sleep experts.
Digital HealthHealthtechWellness & FitnessBoston, US
George W(Founder)inEdrei Chua(Founder)in
Co-investorsInitialized CapitalMoonfire VenturesMyAsiaVCScrum VenturesY CombinatorAgrolimen Ventures+5 more
Strada builds AI agents that automate insurance operations, handling customer interactions across voice, email, chat, and SMS integrated into carrier, MGA, and broker systems.
AI & Machine LearningEnterprise SoftwareInsurTechSaaSSan Francisco, US
Amir Prodensky(Co-founder & CEO)inArash Khazaei(Founder)in
Co-investorsWayfinder VenturesY CombinatorAndreessen HorowitzBlank VenturesOrange Collective
Strella provides a research and market intelligence platform aimed at consulting and investment teams, helping them gather insights faster than traditional research methods.
AI & Machine LearningData & InfrastructureMarketing TechSaaSNew York City, US
Priya Krishnan(Founder)inLydia Hylton(Founder)in
Co-investorsBessemer Venture PartnersDecibel PartnersMVP VenturesRed & Blue VenturesUnusual Ventures
Surtr develops ParallaxOS, an open operating system for counter-unmanned aerial systems (counter-UAS) and command-and-control operations in Western defense.
Advanced ManufacturingAI & Machine LearningDefense TechSan Francisco, US
Anshul Ahluwalia(Founder)inCameron Fiore(Founder)in
Co-investorsStreamlined VenturesY CombinatorALLEGIS CAPITALAndreessen HorowitzEniac VenturesGaingels+1 more
Terminal49 develops software to track and automate the movement of shipping containers from ports to warehouses, originally built to support its own drayage operations.
Data & InfrastructureEnterprise SoftwareLogistics & Supply ChainSaaS
Philipp(Co-founder)Akshay(Co-founder)
Co-investorsAfore CapitalAPA Venture PartnersGrand VenturesInitialized CapitalStage 2 Capital
Thinknum provides data intelligence platforms that track and analyze alternative data sources, including LinkedIn company profiles, to measure business metrics like employee headcount trends and follower growth over time.
Data & InfrastructureEnterprise SoftwareFintechSaaS
Gregory UgwiinJustin Zhen
Co-investors500 GlobalPejman Mar Ventures
True Anomaly designs and builds hardware and software systems for space security and defense.
Defense TechHardwareSpace TechCentennial, US
Even Rogers(CEO and Co-Founder)inKyle Zakrzewski(Chief Engineer and Co-Founder)inThomas Nichols(Executive Officer, Director)Daniel Brunski(Director)in
BoardJesse Michaels(Director)Austin Bishop(Director)
Co-investorsAccelACME CapitalBlack FlagChampion Hill VenturesCortado VenturesCubit Capital+15 more
Variance provides AI agents that conduct financial crime investigations for regulated institutions, automating evidence collection and analysis across compliance levels while maintaining audit trails and explainability.
AI & Machine LearningCybersecurityEnterprise SoftwareFintechSan Francisco, US
Karine Mellata(Founder)inMichael Lin(Founder)inJames Gross(Executive Officer, Director)Noah Brier(Executive Officer, Director)
BoardSteve Schlafman(Director)
Co-investorsTen ElevenUrban InnovationY Combinator9455 0001 QuebecOkta VenturesRRE Leaders+1 more
Vibe Bio funds and supports overlooked drug development programs by combining AI and capital to identify promising treatments and reduce funding gaps.
AI & Machine LearningBiotechEnterprise Software
Alok Tayi(CEO & Founder)inAlok Tayi, Ph.D.(Co-founder and CEO)
Co-investorsThird Rock Ventures6th Man VenturesAlleyCorpInitialized CapitalLerer HippeauUndeterred Capital+1 more
Voodoo Manufacturing operates a high-volume 3D printing factory producing plastic parts at scale, alongside offering 3D design services including CAD design to convert concepts into manufacturable files.
Advanced ManufacturingHardwareRoboticsNew York City, US
Max Friefeld(Founder/CEO)inJon Miller Schwartz(Founder/CPO)inPatrick Deem(Founder/CFO / Head of Business Development)inOliver Ortlieb(Executive Officer, Promoter)in
Co-investorsY CombinatorGeneral CatalystKleiner PerkinsKPCB EdgeNextView VenturesStanford University
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
Negotiatus Corp.ReflexAI, Inc.Setpoint Technologies Inc.VividlyAcclaimAgencyAirfoldAliceAptyAthena IntelligenceBeFreedBesxar SpaceCotissCrescendo HealthDiagonalECLFirestormFly LabsGeneral AnalysisHallwayHanover ParkInner BalanceInnerwellJackpotJudyKickoffLaunchableLegendLinotypeMerge VRMerokaOrderPairAIPanther LabsPointhoundReflex AIRivoSandtableSkyDropSlopeSourceSource 3SuperteacherTraverseUpsideUSCTVoice AI
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Exits · 14
1 IPOs · 13 acquisitions · showing 10Fiscal NoteOTC: NOTEAbacusacq. by CertifyAliceacq. by ExpediaCausalacq. by LucanetFat Llamaacq. by HyggloFly Labsacq. by GoogleLaunchableacq. by CloudbeesPanther Labsacq. by DatabricksPoshlyacq. by SuzyRosieacq. by Instacart
Portfolio news
latest coverage across their companies
Clerq · thesaasnews.com · Aug 11, 2026
Circeus · techfundingnews.com · Jul 22, 2026
Mandolin · Mandolin (company blog) · Jul 14, 2026
ProvenMetal · ycombinator.com · Jul 13, 2026
Forterra · techcrunch.com · Jul 7, 2026
Attention AI · markets.businessinsider.com · Jun 29, 2026
Sazabi · finsmes.com · Jun 25, 2026
LightSprint · techcrunch.com · Jun 18, 2026
Frequently asked questions
- How many investments has 645 Ventures made?
- 645 Ventures has 159 tracked investments, 14 of which have exited, including 19 dated in the last 24 months.
- What stage does 645 Ventures invest at?
- 645 Ventures invests at the Pre-Seed, Seed, Series A, Series B, Growth, Late Stage stages.
- What is 645 Ventures's typical check size?
- 645 Ventures typically writes checks of $1M – $15M.
- What sectors does 645 Ventures focus on?
- 645 Ventures focuses on AI & Machine Learning, Consumer, Cybersecurity, Data & Infrastructure, Deep Tech, Developer Tools, Enterprise Software, Fintech, Healthtech, SaaS, Sector Agnostic, Space Tech.
- Where is 645 Ventures located?
- 645 Ventures is headquartered in New York, US.
- Does 645 Ventures lead rounds?
- Yes, 645 Ventures leads investment rounds.
- Who does 645 Ventures co-invest with?
- 645 Ventures most often shares deals with Y Combinator, FJ Labs, 500 Global, among 311 tracked co-investors.
Media · Podcasts & interviews
featuring the team448th 1Mby1M Entrepreneurship Podcast With Nnamdi Okike, 645 Ventures
1Mby1M Roundtables · Nnamdi Okike
Nnamdi Okike on Building 645 Ventures, Bias in Fundraising, and Being a Boston Sports Fan in New ...
Something Ventured Podcast · Nnamdi Okike
Watch CNBC's full interview with 645 Ventures' Nnamdi Okike
Nnamdi Okike · cnbc.com
645 Ventures' Nnamdi Okike on investing in tech's 'behavioral change economy'
CNBC Television · Nnamdi Okike
448th 1Mby1M Roundtable June 27, 2019: With Nnamdi Okike, 645 Ventures
1Mby1M Roundtables · Nnamdi Okike
Fireside Chat: 645 Ventures Co-Founder Aaron Holiday
Aaron Holiday · vimeo.com
Co-investors · 68
Andreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz, known for pioneering the platform model with a large team of operators supporting founders across stages.
FJ Labs is an early-stage investment firm specializing in marketplaces and network-effect businesses, taking an angel-style co-investment approach alongside institutional venture funds worldwide.
Chaac Ventures is an early-stage venture firm that backs founders connected to the Princeton University tech and innovation ecosystem, leveraging that global network to help portfolio companies grow.
Eniac Ventures is an early-stage venture capital firm run by former startup operators that partners closely with founders from 0 to 1 to accelerate product-market fit.
Gaingels is a large venture investor that co-invests alongside lead VCs in companies committed to building diverse and inclusive teams, while advocating for LGBTQ+ representation and equity of access in venture capital.
CRV is a venture capital firm that backs founders at the seed and Series A stages, focusing on those with deep conviction and unique insights.
Tiger Global Management operates public equity strategies (long/short, long-focused and crossover) and a private equity business investing in early- through late-stage growth companies across new and existing industries.
Sapphire Ventures partners with expansion-stage enterprise software companies, aiming to help them become category leaders. Its Platform team of operators supports portfolio companies with customer introductions, go-to-market talent, and growth advisory.
Liquid 2 Ventures is a seed-stage venture capital firm founded in 2015 by Joe Montana and based in San Francisco.
QED Investors is a venture capital firm focused on financial services, founded by former Capital One executives to back founders bringing transparency and fairness to fintech.
Costanoa Ventures is an early-stage venture capital firm that backs a select group of founders solving hard problems, offering long-term partnership, operational expertise, and hands-on support.
Amity Ventures is an early-stage venture firm that leads rounds and takes a deliberately concentrated approach, backing only 3-5 companies per year with hands-on involvement.
▶56 more co-investors
Craft VenturesGreylock PartnersRedpoint VenturesInsight PartnersEverywhere VenturesSpark CapitalGreat Oaks Venture CapitalLeft Lane CapitalDecibel PartnersRally Ventures Management, LlcFlare Capital Partners3VCPrimo VenturesBain Capital VenturesSusa VenturesUpHonest CapitalFreestyle CapitalSierra VenturesTrinity VenturesFoundryDN CapitalPrimary Venture PartnersAlleyCorpTeamworthy VenturesHigh AlphaFlourish VenturesAnorak VenturesOwl VenturesSilverton PartnersContour Venture PartnersEvolution Equity PartnersSoftBank CapitalPage One VenturesLiveOak VenturesMarket One CapitalA*Grace Beauty CapitalCantos VenturesMetaplanetCurql Collective, LLCOffline VenturesStride VCBase10 PartnersAccompliceBaruch Future VenturesSummit PartnersExpansive VenturesEndeavor CatalystGutter CapitalThirty Five Ventures (35V)Vera EquityANIMO VenturesProof GroupBain Capital CryptoInfinite CapitalLearnLaunch Fund Accelerator
Firms observed investing alongside 645 Ventures, from public investor directories. Shared companies are the overlap with 645 Ventures's recorded portfolio.
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