Fundraising Fox
Preston-Werner Ventures
Venture capitalSan Francisco Bay Area · Pre-Seed–Growth · 4 people tracked
Also known as Preston-Werner
Find your way into Preston-Werner Ventures
423 people in our graph share verified history with the Preston-Werner Ventures team — schools, employers, funds. One of them is your warm intro.
Investment thesis
PWV backs early-stage technology founders whose ideas create a differentiated future and change what is fundamentally possible while embracing technology and valuing people. Founded by GitHub cofounder Tom Preston-Werner, the firm emphasizes deep technical and product expertise, particularly in developer tools, and supports founders with hands-on advice, feedback, introductions, and access to a founder community it presents as a competitive advantage. Investments span areas such as developer infrastructure, AI, and technology broadly, drawing on the team's background as former founders who built and scaled companies including GitHub.
Source: firm website, verified Sep 27, 2026.
Team · 4 people
from the firm's website
What they invest in
from 77 of 84 portfolio companiesDeveloper Tools ×45AI & Machine Learning ×42SaaS ×29Enterprise Software ×25Cloud Computing ×19Data & Infrastructure ×15Deep Tech ×12Hardware ×9
HQs:United States×41Canada×2Australia×1Germany×1Egypt×1United Kingdom×1
Who they back
founder profiles across 53 portfolio companiesFounding team size:solo founder×242 founders×203 founders×54+ founders×4
Where their founders studiedfrom 78 founders with education data
Massachusetts Institute of Technology ×12Harvard University ×6Georgia Institute of Technology ×5Stanford University ×4Birla Institute of Technology and Science, Pilani ×2Carnegie Mellon University ×2Københavns Universitet - University of Copenhagen ×2North Carolina State University ×2
What their founders studiedfrom 72 founders with field-of-study data
Computer Science ×31Engineering ×25Business & Management ×11Mathematics & Statistics ×4Economics ×3Finance & Accounting ×3Physics ×3
Where their founders worked beforefrom 79 founders with career history
Massachusetts Institute of Technology ×5Handshake ×4Dropbox ×3Google ×3Zed Industries, Inc. ×3Airbnb ×2Astranis Space Technologies Corp. ×2BITS360 ×2
Accelerator rootsportfolio companies that came through a program
16 founders hold a PhD · 3 hold an MBA (of 79 with degree data)
Investments · 84 tracked
founders shown can be your intro pathBy year:2025 · 52024 · 22023 · 62020 · 215 dated
BETA Technologies develops electric aircraft (including the ALIA eVTOL) and associated charging infrastructure for sustainable aviation.
CleantechDefense TechHardwareMobility & TransportationBurlington, US
Kyle Clark(CEO)inSean Donovan(Executive Officer)inHerman Cueto(Executive Officer)in
BoardCharles Davis(Director)Mike Stone(Director)Francesco Capretti(Director)
Co-investorsStone PointChaifetz GroupUP PartnersVermont Center for Emerging Technologies (VCET)
Retrace is an open-source record-replay tool and AI debugger for Python that captures failed pytest and CI runs as replayable .retrace artifacts, letting an AI debug backwards from real runtime values to the root cause.
AI & Machine LearningDeveloper ToolsSaaS
Co-investorsAccelerated Digital VenturesSoftBank Group
Aalo develops advanced nuclear reactor technology aimed at producing electricity at under 3 cents per kilowatt-hour.
Climate TechDeep TechEnergyHardware
Matt(Co-founder)inYasir(Co-founder)in
Co-investorsAlumni VenturesBanca Investis — Family OfficeBasecamp FundBlack FlagBrave CapitalCapital Factory+27 more
Aera Farms develops a soil-based farming appliance for home use that combines aeroponics technology to enable households to grow fresh produce year-round with minimal water and energy consumption.
AgTechFoodTechHardware
Aerodome, part of Flock Safety, provides a Drone as First Responder (DFR) system that remotely deploys docked drones to 911 calls, license-plate hits, and gunshot alerts, streaming live HD, thermal, and night-vision video to first responders and dispatch.
Defense TechGovTechHardwareRobotics
Co-investors2048 VenturesAndreessen HorowitzAntiCRV (Charles River Ventures)
Poolside builds open-weight foundation models and agentic coding models, including the Laguna family, along with the systems and infrastructure needed to train, refine, and improve these models.
AI & Machine LearningDeveloper Tools
Jason Warner(Founder & CEO)inEiso Kant(Founder)
Co-investors7GC & CoAbstraction CapitalAir Street CapitalB Capital GroupB4 CapitalBain Capital Ventures+24 more
.jpeg){kind=logo}
Alinia develops AI guardrails for financial enterprises, specifically Investment Guard, a compliance system that detects unqualified investment advice in AI assistants under MiFID2 and EU financial regulations.
AI & Machine LearningCybersecurityEnterprise SoftwareFintechDover, US
Ariadna Font Llitjos(Executive Officer, Director)inCarlos Munoz Ferrandis(Executive Officer, Director)
BoardManuel Silva Martinez(Director)
Co-investorsKfundMouro CapitalPrecursor VenturesSpeedinvest
Anara is an AI platform designed for scientific research that searches document libraries and the web, summarizes findings with automatic citations, and helps researchers write with verified sources.
AI & Machine LearningDeep TechEnterprise SoftwareFuture of WorkSaaSSan Francisco, US
Naveed Janmohamed(Founder)in
Co-investorsFoundersRebel FundTRAC (Third Round Analytics Capital)Transpose Platform ManagementY CombinatorKfW
Claude is Anthropic's conversational AI assistant, available at claude.ai on web, desktop and mobile plus a developer API.
Co-investorsM13Norwest Venture Partners
Astranis manufactures small, high-powered geosynchronous satellites equipped with advanced digital processing technology for global telecommunications and connectivity services.
Advanced ManufacturingDeep TechHardwareSpace TechSan Francisco, US
John Gedmark(Founder/CEO)inRyan McLinko(Founder/CTO)inMike Mancini(Executive Officer)
BoardMartin Casado(Director)inEthan Batraski(Director)inDan Berkenstock(Director)
Co-investorsAndreessen HorowitzATEL VenturesBlack FlagBoxGroupCantos VenturesCherubic Ventures+71 more
Atuin is a developer tool that syncs, searches, and backs up shell history across machines with end-to-end encryption, and includes an integrated AI assistant accessible directly from the terminal prompt.
Developer Tools
Ellie Huxtable(Founder)in
Co-investorsGenerationshipTranspose Platform Management
BuildPass builds a construction technology platform focused on safety management, serving builders and subcontractors.
AI & Machine LearningConstruction TechPropTechSaaSAustralia, AU
Matt PerrottinAaron VanstoninCaylie McDonaldin
Co-investorsGlitch CapitalMighty PartnersCarthona CapitalHorizonMassive Tech VenturesRecursive Ventures
Carta is a cloud-based ERP platform for private capital markets that manages cap tables, equity administration, fund management, and valuations for startups, private companies, and venture funds globally.
Enterprise SoftwareFintechSaaSSan Francisco, US
Henry Ward(Chief Executive Officer; co-founder of eShares)inManu Kumar(Co-founder of eShares)inCharly Kevers(Chief Financial Officer)inJeff Perry(Chief Revenue Officer)inNick Avery(Chief People Officer)inNicole Baer(Chief Marketing Officer)in
Co-investors4DX VenturesA*Align VenturesAmity VenturesAndreessen HorowitzAnthemis Venture+41 more
Chatterbug operated a language-learning platform that connected learners with tutors, but the service has shut down after nearly a decade.
EdTech
Cleanlab develops machine learning tools for data quality and model improvement, serving enterprises and ML practitioners across industries.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaS
Curtis Northcutt(Founder)inJonas Mueller(Co-founder)inAnish AthalyeinAnishathalye(Co-founder)Ulyana Tkachenko(Co-founder)in
Co-investorsMenlo VenturesSamsung NextTq Ventures LlcAME Cloud VenturesBain Capital VenturesDatabricks Ventures+1 more
Clerk provides user management and authentication infrastructure for developers, enabling quick integration of complete user management systems into applications.
CybersecurityDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Braden Sidoti(Executive Officer, Director)inColin Sidoti(Executive Officer, Director)in
BoardShvetank Jain(Director)Karan Mehandru(Director)in
Co-investorsAndreessen HorowitzCRV (Charles River Ventures)Madrona Venture GroupMango CapitalMenlo VenturesFathom Capital+4 more
Command Code is an AI-powered coding assistant that helps developers write code faster, review code more quickly, and reduce bugs.
AI & Machine LearningDeveloper ToolsSaaS
Ahmad Awais(Founder & CEO)in
Co-investorsAltaIR CapitalAlumni VenturesBanyan VenturesFifthFirestreak VenturesMento vc
Commonwealth Fusion Systems develops commercial fusion power plants using high-temperature superconducting magnet technology to provide grid-scale energy.
CleantechClimate TechDeep TechEnergyCambridge, US
Brandon Sorbom(Founder)inRobert Mumgaard(Executive Officer, Director)inDaniel Brunner(Executive Officer)inBob Mumgaard(Founder)in
BoardMassimiliano Pieri(Director)Katie Rae(Director)in
Co-investorsAdvection Growth CapitalArmada Investment AGBay Bridge Ventures ClimateBeni Venture CapitalBrainstorm VenturesBreakthrough Energy Ventures+45 more
Commutator Studios offers a tool that automatically optimizes quantum applications by finding the best execution parameters across different quantum computers, reducing errors and improving accuracy, reliability, and performance.
Deep TechDeveloper ToolsQuantum Computing
Co-investorsbacktrace capitalQAI Ventures
CoreWeave operates an AI-native cloud platform built to run large-scale AI workloads, combining GPU infrastructure, tooling, and support.
AI & Machine LearningCloud ComputingData & Infrastructure
Michael Intrator(Founder)in
Co-investorsCisco InvestmentsCoatue ManagementDragon CapitalFOG VenturesG SquaredHustle Fund+12 more
Creatify builds an AI system that generates, tests, and optimizes advertising creative automatically at scale across channels and audiences.
AdTechAI & Machine LearningMarketing TechMountain View, US
Yinan Na(Executive Officer, Director)inChaz Z(Founder)Katie Wu(Founder)inLedell Wu(Founder)inXin Zhou(Director)inYu Wu(Director)
Co-investorsComcast VenturesKindred VenturesNFDGWndrCoBrighter CapitalCreator Ventures+4 more
Cursor is a code editor that enables teams to manage and distribute Model Context Protocol (MCP) servers and integrations through team marketplaces, with features for organization-level access control and cloud agent integration.
AI & Machine LearningDeveloper ToolsSaaS
Sualeh Asif(Cofounder)Arvid Lunnemark(Co-founder)inAman Sanger(Cofounder)inMicheal Truell(Cofounder)Michael Truell(Co-founder & CEO)in
Co-investorsAccelAndreessen HorowitzAviso VenturesBoxGroupC3 VenturesCoatue Management+15 more
Day AI is an AI-native CRM that assembles and maintains customer records automatically from a company's communications, replacing manual data entry with generated, always-current context.
Michael Pici(Co-founder)inChristopher O'Donnell(Co-founder)in
Co-investorsInspired CapitalPermanent Capital VenturesPillar VCStage 2 CapitalConvictionGreenoaks+2 more
.jpeg)
Earthmover builds a cloud data platform for exploring, visualizing, analyzing, and sharing large-scale scientific datasets, with a focus on climate and Earth science data.
AI & Machine LearningClimate TechCloud ComputingData & InfrastructureNew York, US
Ryan Abernathey(Co-founder)inJoe Hamman(Co-founder)inTony Liu(Director)in
Co-investorsCostanoa VenturesLOWERCARBONLowercarbon Capital
Elicit is an AI-powered research assistant that helps users discover, analyze, and synthesize scientific literature and research findings.
AI & Machine LearningEdTechEnterprise SoftwareSaaSOakland, US
Andreas Stuhlmüller(Cofounder & CEO)inJungwon Byun(Cofounder & COO)inAdam Heneghan(Executive Officer)in
BoardKevin Willer(Director)John Elton(Director)John McGee(Director)
Co-investorsFifty YearsFootworkMythos Ventures Management, LlcWinklevoss CapitalBasis Set Ventures
Fal provides fast inference for generative AI models, particularly for image and video generation tasks like SDXL and Whisper.
AI & Machine LearningCloud ComputingCreator EconomyDeveloper ToolsSan Francisco, US
Gorkem Yurtseven(Founder & CEO)inBurkay Gur(Founder)in
BoardSteve Jang(Director)inJennifer Li(Director)inGlenn Solomon(Director)in
Co-investors500 Emerging EuropeAlkeon InnovationAndreessen HorowitzBessemer Venture PartnersCortical Venturese2vc+15 more
Flock Safety provides a platform that connects neighborhoods, businesses, and law enforcement to share verified incident information and enable coordinated emergency response based on shared evidence.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareGovTechHardwareSaaSAtlanta, US
Garrett Langley(Founder/CEO)inMatt Feury(Founder/CTO)in
BoardIlya Sukhar(Director)
Co-investorsA*Andreessen HorowitzAnorak VenturesBedrockCoatue ManagementCRV (Charles River Ventures)+14 more
Flux develops a browser-based tool for hardware design collaboration that enables teams to work together efficiently.
AI & Machine LearningDeveloper ToolsHardwareSan Francisco, US
Matthias Wagner(Founder)inLance Cassidy(Founder)in
Co-investors53 Stations8VCBehind Genius VenturesOutsidersEssence Venture Capital
Freeplay provides a platform for software product development teams to build and maintain generative AI products using best practices in experimentation, iteration, and data management.
AI & Machine LearningDeveloper ToolsEnterprise Software
Co-investorsNext Frontier CapitalRenegade PartnersVermilion Cliffs Ventures
.svg)
Opensend is a SaaS data platform that identifies anonymous website visitors and converts them into leads using a proprietary identity graph of aggregated engagement and transactional data.
AI & Machine LearningDirect to ConsumerE-commerceMarketing TechSaaS
Francesco Gatti(Founder)in
Kiril Videlov(Founder)in
Co-investorsAndreessen HorowitzFly VenturesJ12 Ventures
Graphite Chat is an AI-powered code review tool that integrates with GitHub to automatically analyze pull requests and identify bugs and security issues.
AI & Machine LearningDeveloper ToolsSaaS
Merrill Lutsky(Founder)inGreg Foster(Founder)in
Co-investorsAccelAndreessen HorowitzCommunitas Capital PartnersCorrelation VenturesHomebrewMenlo Ventures+1 more
Impossible Foods produces plant-based meat alternatives, including beef, pork, chicken, and sausage products designed to replicate the taste, nutrition, and cooking properties of conventional animal meat.
ConsumerFoodTechHealthtechRedwood City, US
Pat Brown(Founder & CEO)inDavid Lee(Executive Officer)inPeter McGuinnessin
BoardBart Swanson(Director)inSamir Kaul(Director)inTai Ronnen(Director)
Co-investors1435 CapitalAllied Venture PartnersBlue Horizon CorporationCoatue ManagementCollaborative FundContinental Grain Company+23 more
Inference Capital is an investment firm representing permanent capital and allocators across private markets, providing advisory and direct allocation services.
Fintech
Co-investorsInception Fund
Inngest is an execution layer for agents and workflows that helps engineers build and optimize event-driven workflows without manual retry logic or queue management.
AI & Machine LearningCloud ComputingDeveloper ToolsRoyal Oak, US
Tony Holdstock-Brown(CEO & Founder)Dan Farrelly(CTO & Founder)in
BoardJamin Ball(Director)inDan Cahana(Director)in
Co-investorsAfore CapitalAndreessen HorowitzMotive ForceNotable CapitalAltimeter CapitalBanana Capital+4 more
Inth provides developer-first consent infrastructure that allows software teams to manage cookie consent, regional rules, and script loading directly in code rather than through external platforms.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Christopher Burns(Founder)in
Co-investorsY Combinator
Limitless creates AI tools designed to augment human intelligence and overcome cognitive limitations by improving memory and focus.
AI & Machine LearningEnterprise SoftwareFuture of WorkHardware
Dan Siroker(Founder)in
Co-investorsAndreessen HorowitzFirst Round CapitalDaft CapitalDash VCEvolution VC PartnersIncubate US+7 more
Liquid AI builds device-native foundation models (LFMs) designed to run efficiently on processors outside data centers, such as phones, laptops, and cars, under latency, privacy, and hardware constraints.
AI & Machine LearningDeep TechEnterprise SoftwareBrookline, US
Daniela Rus(Co-founder)inMathias Lechner(Co-founder & CTO)inRamin Hasani(Co-founder & CEO)inAlexander Amini(Co-founder & CSO)inLouis Hunt(Executive Officer)Stephen Pagliuca(Director)
Co-investorsBold Capital PartnersDuke Capital PartnersGlasswing VenturesIsaiISAI GestionLink Ventures+5 more
LM Studio offers Bionic, a locally-run AI agent designed to work with open models for creativity, work, and coding tasks.
AI & Machine LearningDeep TechDeveloper ToolsNew York City, US
Yagil Burowski(Founder)
Co-investorsMatrixTorch Capital
Massdriver provides infrastructure automation and management for cloud-native organizations, enabling developers and operations teams to provision and manage infrastructure with ease while maintaining compliance and operational standards.
Cloud ComputingDeveloper ToolsEnterprise SoftwareLos Angeles, US
Cory O'Daniel(Founder)inChris Hill(Founder)in
Co-investorsY Combinator
Milestone is an analytics platform that tracks AI spend, coding agents, software delivery, and custom KPIs by grounding answers in a company's engineering data.
AI & Machine LearningDeveloper ToolsEnterprise Software
Liad Elidan(Founder)in
Co-investorsHeavybitAtlassian Ventures
.jpeg)
Mineflow maintains a public mineral exploration dataset and sends alerts when new exploration filings, surveys, and tenement changes match user-defined projects.
Advanced ManufacturingAgTechData & InfrastructureSan Francisco, US
Ryan Goggins(Founder)in
Co-investorsTranspose Platform ManagementY Combinator
MoneyHash provides a payment orchestration platform that aggregates payment APIs, providers, and technical capabilities through a provider-agnostic cloud, letting businesses build and manage payment infrastructure.
Enterprise SoftwareFintechSaaS
Nader Abdelrazik(Founder)in
Co-investorsFirstCheck AfricaLoftyInc CapitalNuwa CapitalTofino CapitalVentures PlatformVentureSouq+7 more
The page lists financial and data regulations (e.g.
FintechSan Francisco, US
Jan Spidlen(Founder)in
Co-investorsCategory VenturesHack VC
Netlify is a platform for building, deploying, and scaling modern web applications, serving millions of developers and thousands of enterprises.
AI & Machine LearningCloud ComputingDeveloper ToolsSaaSSan Francisco, US
Mathias Biilmann(Co-founder & CEO)inChristian Bach(Co-founder, Chief Strategy and Creative Officer)in
Co-investorsAndreessen HorowitzBessemer Venture PartnersDesigner FundKleiner PerkinsMenlo VenturesBloomberg Beta+8 more
.jpeg){kind=logo}
Not Diamond provides an intelligent model router for coding agents that predicts which language model to use for each input, aiming to reduce inference costs while maintaining accuracy.
AI & Machine LearningDeveloper ToolsEnterprise Software
Jeffrey Akiki(Founder)in
Co-investors640 OxfordAmbush CapitalDefy PartnersInovia CapitalKarman VenturesLoup Ventures+3 more
Ona provides cloud-based agent infrastructure that runs developer tasks in isolated environments while laptops are closed, automating workflow execution through events, schedules, and pull requests.
AI & Machine LearningCloud ComputingDeveloper Tools
Co-investorsBright Pixel CapitalCrane Venture PartnersPebblebedAlta Life SciencesAsabys PartnersColumbus Venture Partners+4 more
Parley builds AI software for immigration law firms that automates visa petition drafting, reference letter generation, and evidence collection.
AI & Machine LearningEnterprise SoftwareLegalTechSaaSSan Francisco, US
Philip Smart(Founder)inIan Edwards(Founder)inJackson Perry(Founder)in
Co-investorsSterling RoadY Combinator
PATH makes refillable aluminum water bottles designed to reduce single-use plastic waste.
Circular EconomyConsumer
Co-investors1st Course CapitalAltelanBloom8Florida FundersForma CapitalRaptor Group+1 more
PlanetScale is a database platform built on the Vitess open-source project, designed for scaling large distributed systems.
Cloud ComputingData & InfrastructureDeveloper ToolsMountain View, US
Jiten Vaidya(Founder)in
Co-investorsAndreessen HorowitzDig Ventures Management LimitedFirebolt Ventures Management Company, LlcInsight PartnersKleiner PerkinsSignalFire+1 more
Postman is an API platform that helps developers build, test, and manage APIs throughout their lifecycle.
AI & Machine LearningCloud ComputingDeep TechDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Abhinav Asthana(CEO and co-founder)inAnkit Sobti(Co-founder)inAbhijit Kane(Co-founder)in
Co-investorsBattery VenturesInsight PartnersNexus Venture Partners83NorthAltra VentureCoatue Management+15 more
Power Planet develops drilling and well operations technologies, hardware innovations, and integrated energy systems for oil and gas field development.
CleantechClimate TechDeep TechEnergyHardware
Keith Elliott(Co-Founder & CEO)inBrij Hall-Potnis(Co-Founder & CTO)inShyamli Mohamed(CFO)
Prisma builds an ORM and database tools for developers to simplify database workflows across application development, deployment, and scaling.
Cloud ComputingData & InfrastructureDeveloper Tools
Co-investorsAmplify PartnersHeavybitKleiner PerkinsMango CapitalAmplify Partners CVFathom+1 more
Purplefish builds a takeoff platform for industrial pipe contractors and fabricators to extract material and labor data from isometric drawings, replacing manual Excel-based processes.
AI & Machine LearningConstruction TechEnterprise SoftwareSaaSNew York City, US
Adam Sirois(Co-founder)inMartin Kess(Co-founder)in
Co-investors8VC
QuantPi develops testing and verification technology for artificial intelligence systems to assess their reliability, explainability, and safety before deployment.
AI & Machine LearningDeep TechDeveloper ToolsEnterprise SoftwareSaaSSaarbrücken, DE
Co-investorsCapnamicFirst MomentumNew Forge
Railway builds a cloud computing platform designed to reduce deployment friction and simplify the software development lifecycle.
Cloud ComputingData & InfrastructureDeveloper Tools
Jake Cooper(CEO)in
Co-investorsRedpoint VenturesTq Ventures LlcUnusual VenturesBasecamp FundCompoundPioneer+2 more
RedwoodSDK is a software development framework, presented through its blog and version 1.0 release.
Developer Tools
Peter Pistorius
Co-investorsAmplify Partners CV
Replicated provides a container-based platform for software vendors to deploy cloud-native applications in customer environments.
Cloud ComputingDeveloper ToolsEnterprise Software
Co-investorsAmplify Partnersboldstart venturesFounder CollectiveHeavybitMucker CapitalPlexo Capital+5 more
ReSim provides a simulation and testing platform for physical AI and robotics teams, letting them evaluate embodied AI performance across thousands of virtual scenarios before deployment.
AI & Machine LearningDeveloper ToolsRoboticsPittsburgh, US
Simon Box(Founder)in
Co-investorsShield CapitalXTX Markets
Retool is a platform for building and governing internal tools, admin panels, and dashboards across teams.
Data & InfrastructureDeveloper ToolsEnterprise SoftwareFuture of WorkSaaSSan Francisco, US
Co-investorsCoatue ManagementLiquid VenturesSequoia CapitalStandard CapitalSV AngelY Combinator+29 more
Snyk is a developer-focused security platform that identifies and fixes vulnerabilities in code, dependencies, containers, and cloud infrastructure using AI-powered analysis.
AI & Machine LearningCybersecurityDeveloper ToolsBoston, US
Guy Podjarny(Director)inPeter McKay(Executive Officer, Director)inStephanie Dominy(Executive Officer)in
BoardPhilippe Botteri(Director)inMatthew Weigand(Director)inKen Fox(Director)in
Co-investors2050 CapitalAccelAlkeon InnovationAmity VenturesAmplify PartnersAtlassian Ventures+36 more
Sourcetable is an AI-powered spreadsheet that lets users query databases and applications in plain English, generate charts, clean and structure data, and run Python-based analysis without switching tools.
AI & Machine LearningData & InfrastructureFuture of WorkSaaSSan Francisco, US
Eoin J.W. McMillan(Executive Officer, Director)in
BoardMichael Berolzheimer(Director)in
Co-investorsAmplify.LABee PartnersJames Beshara FundNextView VenturesTRAC (Third Round Analytics Capital)Greycroft+1 more
StackBlitz provides a browser-based development environment for creating and launching web applications, with code execution happening entirely within the user's browser using WebAssembly technology.
Cloud ComputingDeveloper ToolsEnterprise SoftwareSan Francisco, US
Eric Simons(CEO & Co-Founder)inAlbert Pai(CTO & Co-Founder)inAlexander Berger(Chief Operating Officer)inBryan Adams(Vice President of Sales)inMitchell Wright(Head of Growth Marketing and Data)inHyllarie Colyer(Head of People)in
Co-investorsConvictionEmergence CapitalGreylock PartnersGV (Google Ventures)Insight PartnersMadrona Venture Group+3 more
StackOne provides infrastructure for AI agents to integrate with and act across business applications through optimized connectivity, execution, and security features.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareNewbury, GB
Romain Sestier(Founder)in
Co-investorsEpisode1GV (Google Ventures)Inception FundPlayfair CapitalWorkday Ventures
Stripe provides financial infrastructure for businesses to accept payments, offer financial services, and implement custom revenue models across international markets in 135+ currencies.
Developer ToolsFintechSaaSSan Francisco, US
John Collison(Co-founder & President)inPatrick Collison(Co-founder & CEO)inWilliam Gaybrick(Executive Officer)inGreg Brockman(Founding Engineer, then first CTO)inSarah Heckin
BoardMichael Moritz(Director)in
Co-investors1435 Capital500 GlobalAdvaita CapitalAglae VenturesAir Street CapitalAlkeon Innovation+77 more
Supabase is a fully managed PostgreSQL backend platform that integrates with AI builders like Claude, Lovable, and Bolt to enable rapid development of production applications.
Cloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US
Paul Copplestone(Founder)inAnt Wilson(Founder)inPAUL COPPLESTONE(Executive Officer, Director, Promoter)in
BoardCARYN MAROONEY(Director)in
Co-investorsBase Case CapitalAccelBerkeley FrontierChapter OneCoatue ManagementCraft Ventures+15 more
Tailscale provides secure connectivity infrastructure.
Cloud ComputingCybersecurityDeveloper ToolsToronto, CA
Avery Pennarun(CEO)inBrad Fitzpatrick(Founder)inDavid Crawshaw(Founder)in
Co-investorsAccelAvenir Growth CapitalCRV (Charles River Ventures)Cyber Mentor FundFlex Capital PartnersHeavybit+7 more
Thunder Compute develops GPU virtualization software that improves utilization of graphics processing units in data centers.
AI & Machine LearningCloud ComputingData & InfrastructureDeep TechDeveloper ToolsEnterprise SoftwareSan Francisco, US
Carl Peterson(Founder)inBrian Model(Founder)in
Co-investorsTranspose Platform ManagementY CombinatorCyberAgent CapitalMatrix
Team Tito builds Tito, a ticketing platform used by event organisers worldwide that has processed over $1 billion in tickets.
MarketplacesMedia & EntertainmentSaaSLong Island City, US
PaulWeiqiang Chu(Executive Officer, Director)Platon Levitski(Executive Officer, Director)
Co-investorsEnterprise Ireland
tldraw provides an SDK for building canvas-based applications like whiteboards, diagrams, and collaborative tools in React.
Developer ToolsSaaSLondon
Steve Ruiz(Founder)in
Co-investorsAmplify PartnersLux Capital
Turso is a database engine built as a Rust rewrite of SQLite, adding concurrent writes, native vector search, cloud-native replication, and browser/on-device support via WebAssembly.
AI & Machine LearningCloud ComputingData & InfrastructureDeveloper ToolsLondon, CA
Pekka Enberg(CTO)inGlauber Costa(Founder)in
Co-investorsBlumberg CapitalFirst Star VenturesMango CapitalNorwest Venture PartnersEssence Venture Capital
Unkey is an API management platform for developers, designed to handle API workflows including integration and scaling.
Cloud ComputingData & InfrastructureDeveloper ToolsSaaS
James Perkins(Co-founder)inAndreas Thomas(Co-founder)in
Co-investorsUncork CapitalESSENCE VCDeep AcreHomebrewEssence Venture CapitalTokyo Black
Upside Foods produces cultivated meat using cell-based technology.
BiotechFoodTechSan Francisco, US
Uma Valeti(Founder & CEO)in
Co-investorsAlwyn CapitalCPT CapitalDentsu VenturesFifty YearsFuture VenturesJoyance Partners+10 more
VoidZero builds open-source infrastructure and tooling for the JavaScript ecosystem, developed by the creators and maintainers of widely used JavaScript projects.
AI & Machine LearningDeveloper ToolsSaaS
Co-investorsAccelPeak XV Partners
Weights & Biases is an AI developer platform that enables teams to build, train, and monitor AI agents, applications, and models with tools for experiment tracking, model management, and agent evaluation.
AI & Machine LearningData & InfrastructureDeveloper ToolsSan Francisco, US
Shawn Lewis(Executive Officer, Director)inLukas Biewald(Executive Officer, Director)inChris Van Pelt(Executive Officer, Director)inMariah Nagy(Executive Officer)inYan-David Erlich(Executive Officer)inCameron Kinloch(Executive Officer)in
Co-investorsAIX VenturesBrighter CapitalBrilliant Phoenix CapitalCoatue ManagementDiagram CapitalFelicis Ventures+38 more
Zed is a code editor written from scratch in Rust that uses multiple CPU cores and the GPU for high performance, with support for running AI agents in parallel to edit code and run tools.
AI & Machine LearningDeveloper ToolsFuture of Work
Nathan Sobo(CEO & Co-founder)inAntonio Scandurra(Co-founder)inMax Brunsfeld(Co-founder)in
Co-investorsMatchstick VenturesNimble PartnersRedpoint VenturesRoot Ventures Manager, LlcSequoia CapitalV1 VC+2 more
.png)
Zoo builds Zoo Design Studio, AI-native CAD software featuring Zookeeper, a conversational CAD agent that interprets design intent, reasons and iterates, and generates editable B-rep models on a modern geometry engine.
Advanced ManufacturingAI & Machine LearningSaaSLos Angeles, US
Jessie Frazelle(Founder)
Co-investorsDuke Capital PartnersJude GomilaQuantonationUndeterred CapitalE1 Ventures
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
Brilliant LabsHandshakeLangbaseRho Impact
Exits · 7
2 IPOs · 5 acquisitions · showing 3Beta TechnologiesNYSE: BETAAerodomeacq. by Flock SafetyCursoracq. by SpaceX
Portfolio news
latest coverage across their companiesSupabase · supabase.com · Jun 4, 2026
Turso · turso.tech · May 11, 2026
Unkey · unkey.com · Apr 23, 2026
Railway · blog.railway.com · Jan 22, 2026
Tailscale · tailscale.com · Jan 7, 2026
VoidZero · voidzero.dev · Nov 3, 2025
Clerk · trysignalbase.com · Oct 17, 2025
Frequently asked questions
- How many investments has Preston-Werner Ventures made?
- Preston-Werner Ventures has 84 tracked investments, 7 of which have exited, including 6 dated in the last 24 months.
- What stage does Preston-Werner Ventures invest at?
- Preston-Werner Ventures invests at the Pre-Seed, Seed, Series A, Series B, Growth stages.
- What is Preston-Werner Ventures's typical check size?
- Preston-Werner Ventures typically writes checks of $500K – $3M.
- What sectors does Preston-Werner Ventures focus on?
- Preston-Werner Ventures focuses on AI & Machine Learning, Cloud Computing, Data & Infrastructure, Developer Tools, Energy, Enterprise Software, Fintech, FoodTech, Hardware, Quantum Computing, SaaS, Space Tech.
- Where is Preston-Werner Ventures located?
- Preston-Werner Ventures is headquartered in San Francisco Bay Area, US.
- Does Preston-Werner Ventures lead rounds?
- Yes, Preston-Werner Ventures leads investment rounds.
- Who does Preston-Werner Ventures co-invest with?
- Preston-Werner Ventures most often shares deals with Andreessen Horowitz, Coatue Management, Accel, among 310 tracked co-investors.
Images
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.
Coatue Management is a technology-focused investment firm that invests in innovation across both public and private markets with responsible risk management.
Heavybit is an early-stage venture firm investing in technical, enterprise infrastructure startups, backing founders from day zero and helping them scale from developer-focused products up to enterprise adoption.
Insight Partners is an investment firm focused on accelerating revenue and profit growth in software companies, providing capital and operational support through its Insight Onsite team.
Felicis is a venture capital firm that backs early-stage founders, investing primarily at Seed and Series A across artificial intelligence, cybersecurity and defense, global resilience and energy, and health and bio.
Fifty Years (50Y) is a pre-seed and seed-focused venture capital firm that backs founders using technology to solve major global problems, and also helps start companies.
GV (Google Ventures) is a venture capital firm that has invested in AI and machine learning since its early days, backing more than 100 AI companies across infrastructure, life sciences, and applications.
Lightspeed Venture Partners is a global venture capital firm that backs founders from Seed through Series F and beyond, emphasizing deep, immersive partnerships with the companies it invests in.
Khosla Ventures is a venture capital firm that backs bold, early-stage, technology-driven companies across deep tech and other sectors, providing hands-on 'venture assistance' to help founders build category-defining businesses.
Since 1999, Redpoint Ventures has partnered with visionary founders to create new markets and redefine existing ones. The firm invests early in startups building category-defining companies, from AI and infrastructure to security. Redpoint has backed hundreds of companies, including Netflix, Snowflake, Stripe, Ramp, Twilio, Ramp, and Hims, and today backs the next generation of AI leaders like OpenAI, Legora, Modal, Abridge and Physical Intelligence. Redpoint is based in San Francisco and has offices in New York City and Woodside. For more information visit: http://www.redpoint.com/
This page announces that GGV Capital split into two separate firms in March 2024: Granite Asia (Singapore, covering APAC) and Notable Capital (US, based in Silicon Valley with offices in San Francisco and New York, investing in the US, Israel, Europe, and Latin America).
▶56 more co-investors
General CatalystAlumni VenturesFounder CollectiveBain Capital VenturesFirst Round CapitalSignalFireMadrona Venture GroupTrinity VenturesCostanoa VenturesAIX VenturesConvictionSamsung NextSafar PartnersNew Enterprise Associates (NEA)BenchmarkSapphire VenturesGreycroftPioneerPrecursor VenturesTodd and Rahul’s Angel FundLowercase Capital2048 VenturesHanabi CapitalNexus Venture PartnersAltaIR CapitalHustle FundSpeedinvestGeneral AtlanticNext Play VenturesFlourish VenturesSLVCCurious CapitalBold Capital PartnersFirst Star VenturesFoundersbacktrace capitalBee PartnersC2 Investments01 AdvisorsKortschak Investments L.P.Antler468 Capitalfirstminute capitalJetstreamVertex Ventures Sea Management Pte. Ltd.BECO CapitalVersion One VenturesSorenson VenturesNauta CapitalBain Capital VentureArthur VenturesGigafundLeonis Capital7BC Venture CapitalGamegroove CapitalFirst Row Partners
Firms observed investing alongside Preston-Werner Ventures, from public investor directories. Shared companies are the overlap with Preston-Werner Ventures's recorded portfolio.
Similar investors
Blumberg Capital is an early-stage venture capital firm founded in 1991, with offices in Miami, San Francisco, New York and Tel Aviv.
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.
DCVC (Data Collective) is a deep tech venture capital firm that backs entrepreneurs using computational approaches to solve large-scale real-world problems across many industries.
Differential Ventures is a seed-stage venture capital fund founded by data scientists and entrepreneurs to back data-focused, B2B startups working in artificial intelligence and machine learning.
Fly Ventures is an early-stage venture firm that backs founders at the zero-to-one stage, with portfolio companies going on to raise substantial follow-on funding from top US and European VCs.