San Francisco · Pre-Seed–Series A · 9 people tracked
Also known as FLEX CAPITAL MANAGEMENT, L.L.C.
Investment thesis
Flex Capital invests at the seed stage as generalists with conviction, led by GPs who have founded, scaled, and exited category-defining companies. The firm positions itself as an operator-led partner offering hands-on support beyond the initial check, including customer introductions, executive recruiting, and follow-on capital via reserves. It emphasizes founder-friendly terms, pledging voting shares back to founders so they retain control, and leverages a network of 300+ Limited Partners made up of founders, CEOs, and investors to open doors and share deal flow. Every pitch is reviewed by a partner.
Source: firm website, verified Aug 25, 2026.
Team · 9 people
from the firm's website & public directories
Founder mafia
3 people who came through Flex Capital Partners went on to found or lead other companies.
What they invest in
from 33 of 39 portfolio companiesAI & Machine Learning ×18Enterprise Software ×14SaaS ×14Data & Infrastructure ×11Developer Tools ×11Cloud Computing ×6Fintech ×6AdTech ×3
HQs:United States×22Canada×1
Who they back
founder profiles across 11 portfolio companiesFounding team size:solo founder×32 founders×33 founders×44+ founders×1
Where their founders studiedfrom 16 founders with education data
Stanford University ×2University of Cambridge ×2
Where their founders worked beforefrom 14 founders with career history
Boss Consulting SA ×2
Accelerator rootsportfolio companies that came through a program
Investments · 39 tracked
founders shown can be your intro pathBy year:2023 · 12022 · 12021 · 12018 · 12014 · 15 dated
AppLovin operates a mobile advertising platform that helps businesses scale their products and marketing.
AdTechGamingMarketing TechPalo Alto, US
Adam Foroughi(Executive Officer, Director)Eduardo Vivas(Director)Maggie Jin(Executive Officer)
BoardHerald Chen(Director)
Co-investorsAUTHENTIC VENTURESDniproNimble PartnersStreamlined VenturesWebb Investment NetworkGriffin Gaming Partners
Adelphi provides a federated data connectivity platform that gives intelligence analysts secure, permission-aware access to data scattered across disparate systems, agencies, and partners without moving or duplicating it.
AI & Machine LearningData & InfrastructureDefense Tech
Co-investorsEssence Venture Capital
Agency provides outsourced security and compliance operations for enterprise companies, combining forward-deployed U.S.-based compliance engineers with proprietary AI.
AI & Machine LearningCybersecurityEnterprise SoftwareSaaSNew York City, US
Amir Tarighat(Founder)inTyler Carbone(Founder)in
Co-investorsLeonis CapitalManchesterStory Group, LLCY Combinator
Airbyte provides a context layer for agents and pipelines, enabling data connectivity and integration solutions.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US
Michel Tricot(Co-Founder & CEO)inJean Lafleur(Co-Founder & COO)inJean (John) Lafleur(Co-Founder and COO)in
BoardChetan Puttagunta(Benchmark partner and board member)
Co-investors8VCAccelCoatue ManagementKima VenturesRebel FundStandard Capital+6 more
Aircover is an AI-native platform for revenue and go-to-market teams that provides real-time in-call guidance, automated note-taking, conversation intelligence, and CRM syncing across sales, customer success, marketing, and customer experience functions.
AI & Machine LearningSaaSSales Tech
Andrew Levy(Chief Executive Officer)Alex Young(Chief Technology Officer)Dave Levy(Chief Business Officer)
Co-investorsDefy Partnersf7 VenturesRidge Ventures
Allocations is a fund administration platform that lets fund managers and general partners create and manage SPVs and venture funds, handling deal room setup, entity formation, bank account setup, legal document generation, investor onboarding, and closing.
FintechSaaS
Co-investorsHelios CapitalIrishAngelsSmart Partnership Capital
Ampersand provides a declarative integration framework for building bi-directional, customer-configurable product integrations with third-party applications.
Developer ToolsEnterprise SoftwareSaaS
Lauren Long(Founder)in
Co-investors2.12 AngelsMatrixFlagship Pioneering
AngelList's investor management platform provides tools for venture capital and private equity firms to streamline LP interactions, automate fund operations, and deliver reporting and portfolio updates through a branded digital experience.
Enterprise SoftwareFintechSaaS
Avlok Kohli(CEO)
Co-investorsAccelerator VenturesAccompliceAltra VentureAngel Collective Opportunity FundAtacama VenturesBase Venture Management, Inc.+39 more
Arbital Health provides a platform for managing value-based care (VBC) contracts, unifying claims, utilization, benchmark, and contract data with actuarial tools, predictive models, and a conversational "Actuarial AI" for real-time performance monitoring and risk analysis.
AI & Machine LearningDigital HealthHealthtechSan Francisco, US
Brian Overstreet(Co-founder)inTravis May(Co-founder)in
BoardScott Rosen(Director)inIan Duncan(Director)
Co-investorsHealthy VenturesTRANSFORMATION CAPITALUnderdog Labs
Co-investorsTola Capital
Atlan builds a "context layer" and metadata management platform, including a data catalog, data governance tools, and a Context Lakehouse, that supplies enterprise data context to AI agents and data teams.
AI & Machine LearningData & InfrastructureEnterprise Software
Varun Banka(Founder)inPrukalpa ⚡(Founder)in
Co-investorsGICInsight PartnersPeak XV PartnersSalesforce VenturesSurgeWaterBridge Ventures+1 more
Co-investorsHannah Grey Ventures
Bolt is an AI-powered platform for building web apps and websites by chatting with AI, handling coding, testing, and refactoring automatically.
AI & Machine LearningCloud ComputingDeveloper Tools
Co-investorsEmergence Capital Partners
The page presents advertising and audience-reach solutions for advertisers and partners, positioned under the Yahoo brand.
AdTechConsumerMarketing TechMedia & EntertainmentSan Francisco, US
Ron Will(Chief Financial Officer)Mark Vranesh(Director)Monique Ho(Secretary)David Welsh(Director)Rob Theis(Director)Jon Callaghan(Director)
Co-investorsFelicis VenturesStratim CapitalUncork Capital
Browser Use provides AI-powered browser automation infrastructure with anti-detection capabilities, CAPTCHA solving, and custom LLMs designed for web-based agent tasks at scale.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US
Magnus Müller(Founder)inGregor Zunic(Founder)inGregor Žunič(Co-founder)in
Co-investorsA.Capital VenturesFelicis VenturesFjor FoundersSterling RoadSV AngelTranspose Platform Management+4 more
Cal.com provides scheduling software for sales teams to coordinate client meetings, demos, and discovery calls, with features like round-robin assignment, collective events, routing forms, and automated reminders.
Developer ToolsFuture of WorkHR TechSaaSSales Tech
Bailey Pumfleet(Founder)in
Co-investorsiThink VCLodge FamilyObvious VenturesOSS CapitalBalaji Srinivasan
CaptivateIQ provides a modern platform for automating commission and compensation management, helping companies align incentives with revenue outcomes.
AI & Machine LearningEnterprise SoftwareFintechSaaSSales TechSan Francisco, US
Mark Schopmeyer(Founder/CEO)inHubert Wong(Founder/CTO)inConway Teng(Founder)in
Co-investorsAccelICONIQWorkday VenturesAmity VenturesBessemer Venture PartnersRecall Capital+6 more
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 Management
Chime is a US financial technology company offering fee-free checking and savings accounts, debit and credit-builder cards, early access to direct-deposited pay and no-fee overdraft cover.
San Francisco, US
Ryan King(Co-founder)inChris Britt(Co-founder & CEO)in
Co-investorsAmino CapitalAspect VenturesCathay InnovationClocktower VenturesCoatue ManagementCrosslink Capital+18 more
CodeRabbit provides AI-powered code review tools for developers to improve software quality and efficiency in development workflows.
AI & Machine LearningDeveloper ToolsWalnut Creek, US
Harjot Gill(Executive Officer, Director)inGuritfaq Singh(Executive Officer, Director)inVishavjeet Kaur(Executive Officer)Alex Berkenkamp(Executive Officer)
Co-investorsCRV (Charles River Ventures)Foothill VenturesHarmony PartnersNVenturesScale Venture PartnersAtomico+5 more
LiveRamp is a data collaboration platform that connects first-, second-, and third-party data to enable AI-driven advertising and marketing for brands, publishers, and platforms.
AdTechData & InfrastructureMarketing TechSan Francisco, US
Scott Howe(CEO)
Co-investorsAccelerator VenturesCanaan PartnersDnx VenturesFelicis VenturesLG Technology VenturesOpen Field Capital+1 more
Datavant operates a health data collaboration platform and data network that connects, protects, and activates patient-level data across the U.S. healthcare ecosystem.
AI & Machine LearningData & InfrastructureDigital Health
Co-investorsGrand VenturesHealth Catalyst CapitalSixth StreetTensility Venture PartnersTRANSFORMATION CAPITAL
Gorgias provides a helpdesk platform for customer support agents, serving e-commerce merchants and brands.
AI & Machine LearningData & InfrastructureE-commerceRetail TechSaaSSan Francisco, US
BoardAlex PlugaruRomain Lapeyre(Founder)in
Co-investorsAlvenAmplify PartnersConvergeCRV (Charles River Ventures)Forerunner VenturesGreycroft+7 more
Juniper Square provides an investor management platform for private investment firms, combining an investor portal, investor CRM, and reporting tools to manage investments from onboarding through final sale.
AI & Machine LearningEnterprise SoftwareFintechPropTechSaaSSan Francisco, US
Alex Robinson(Founder)inAdam Ginsburg(Founder)Yonas Fisseha(Executive Officer, Director)Eric Jenny(Executive Officer)
BoardNick Shalek(Director)Elliot Geidt(Director)
Co-investorsFelicis VenturesOVO FundRedpoint VenturesZigg CapitalRibbit Capital
Mercury is an investor database listing venture capital investors and their sector focus areas.
Data & InfrastructureEnterprise SoftwareFintechSaaSSector Agnostic
Immad Akhund(Founder & CEO)inJason Zhang(Co-Founder and Chief Operating Officer)inMax Tagher(Co-Founder and Chief Technology Officer)in
Co-investors500 GlobalAndreessen HorowitzAngel Collective Opportunity FundBetter Tomorrow VenturesBuilders + BackersChapter One+38 more
Personal site of Paul Johnson, founder of telehealth company Lemonaid Health (sold for $400M) and now General Partner and CEO of venture fund Flex Capital.
Future of WorkSaaSSan Francisco, US
Paul Johnson(General Partner & CEO, Flex Capital; Founder of Lemonaid Health)in
An AI-powered answer engine providing accurate, trusted, and real-time answers to questions.
San Francisco, US
Andrew D. Konwinski(Executive Officer, Director)Dzianis Yarats(Director)Aravind Srinivas Lakshminarayanan(Director, Executive Officer)Aravind Srinivas(Co-founder & CEO)inDenis Yarats(Co-founder & CTO)
BoardPeter Sonsini(Director)
Co-investors359 Capital7BC Venture CapitalAccelAdvaita CapitalAIX VenturesArrington Capital+49 more
Protege aggregates and curates real-world data from diverse sources to create AI-ready datasets for model developers.
AI & Machine LearningData & Infrastructure
Bobby Samuelsin
Co-investorsAndreessen HorowitzCRV (Charles River Ventures)FootworkThe MBA FundBloomberg Beta
Regal provides an AI agent platform for enterprises to automate customer communications across inbound and outbound channels.
AI & Machine LearningEnterprise SoftwareSaaS
Alex Levin(CEO and Co-Founder)Rebecca(Co-Founder)
Co-investorsEntrée CapitalFrontline VenturesHomebrewInspired Capital
Replit is a platform for software development that aims to make app creation accessible to non-programmers through intuitive tools and AI agents.
AI & Machine LearningCloud ComputingCreator EconomyDeveloper ToolsEdTechEnterprise SoftwareSan Francisco, US
Haya Abdalla(Founder)inAmjad Masad(Co-founder & CEO)inHaya Odeh(Co-Founder, Design)inLuis Héctor Chávez(CTO)
Co-investors137 Ventures7BC Venture CapitalA.Capital VenturesAbstract VenturesAllied Venture PartnersAmino Capital+31 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)Albert Pai(CTO & Co-Founder)Alexander Berger(Chief Operating Officer)Bryan Adams(Vice President of Sales)Mitchell Wright(Head of Growth Marketing and Data)Hyllarie Colyer(Head of People)
Co-investorsConvictionEmergence CapitalGreylock PartnersGV (Google Ventures)Insight PartnersMadrona Venture Group+3 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)inANTHONY WILSON(Executive Officer, Director, Promoter)PAUL COPPLESTONE(Executive Officer, Director, Promoter)in
BoardCARYN MAROONEY(Director)
Co-investorsBase Case CapitalAccelBerkeley FrontierChapter OneCoatue ManagementCraft Ventures+11 more
Tailscale provides secure connectivity infrastructure.
Cloud ComputingCybersecurityDeveloper ToolsToronto, CA
Avery Pennarun(Founder & CEO)inBrad Fitzpatrick(Founder)David Crawshaw(Founder)in
Co-investorsAccelAvenir Growth CapitalCRV (Charles River Ventures)Cyber Mentor FundHeavybitInsight Partners+6 more
Account engagement platform helping B2B organizations achieve predictable revenue growth.
Amanda Kahlow(Founder)inJason Zintakin
Co-investorsB Capital GroupB4 CapitalBase Venture Management, Inc.Battery VenturesField VenturesHarmony Partners+12 more
Vercel is an infrastructure platform for building and deploying applications, with emerging support for agentic capabilities that allow AI agents and humans to collaborate in software development.
AI & Machine LearningCloud ComputingDeveloper ToolsSan Francisco, US
Guillermo Rauch(Founder & CEO)in
BoardGeoff Lewis(Director)inDaniel Levine(Director)inReid Christian(Director)in
Co-investors8VCAccelBedrockBeyond CapitalCoatue ManagementCold Start Ventures+25 more
Exits · 1
IPOs and acquisitions across the tracked portfolioApplovin (Exit)NASDAQ: APP
Portfolio news
latest coverage across their companiesChime · investing.com · Aug 25, 2026
Perplexity · cryptonews.com · Aug 20, 2026
CodeRabbit · coderabbit.ai · Aug 12, 2026
Replit · techcrunch.com · Jul 30, 2026
Causal · causalens.com · Jul 28, 2026
AngelList · axios.com · Jul 18, 2026
Agency · insidehighered.com · Jul 18, 2026
Mercury · marketbeat.com · Jul 18, 2026
Frequently asked questions
- How many investments has Flex Capital Partners made?
- Flex Capital Partners has 17 tracked investments.
- What stage does Flex Capital Partners invest at?
- Flex Capital Partners invests at the Pre-Seed, Seed, Series A stages.
- What is Flex Capital Partners's typical check size?
- Flex Capital Partners typically writes checks of $500K – $2M.
- What sectors does Flex Capital Partners focus on?
- Flex Capital Partners focuses on AI & Machine Learning, SaaS, Sector Agnostic.
- Where is Flex Capital Partners located?
- Flex Capital Partners is headquartered in San Francisco, US.
- Does Flex Capital Partners lead rounds?
- Flex Capital Partners typically participates in rounds rather than leading them.
- Who does Flex Capital Partners co-invest with?
- Flex Capital Partners most often shares deals with Coatue Management, Accel, CRV (Charles River Ventures), among 208 tracked co-investors.
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