Fundraising Fox
/People
Sign in

Jason Warner

InvestorUnicorn founder

Founder & CEO at Poolside

San Francisco, California

Writes $100K – $50M checks · typically $25M

FoundedPoolside$3B

Find your path to Jason

885 people in our graph can introduce you to Jason.

Each arrow is one introduction. Sign up to fill in the first one.

Ask Aydin Senkut to introduce you to Jason

You →Aydin · together at Poolside (2023–2026) →Jason

Ask Jamie Chen to introduce you to Jason

You →Jamie · 9 people · together at Poolside →Jason

Ask Sam Okafor to introduce you to Jason

You →Sam · together at Heroku →Jason

Sign up to find every way you can get introduced to Jason

  • Your email: the people you already email who know Jason
  • 2nd- and 3rd-degree connections: people you know who worked, studied or invested with Jason
  • Your LinkedIn: the connections who can make the intro for you

We rank every route by how warm it is, so you raise on warm intros instead of cold emails.

Sign up with GoogleAlready have an account? Log in

About

Jason Warner, former GitHub CTO and Heroku Head of Engineering turned managing director, assesses code quality, on-call practices and day-to-day engineering, runs weekly founder content and founded Poolside AI.

Likely emails· guessed from name + firm domain, not firm-published

Invests in

AI & Machine LearningConsumerEnterprise SoftwareFintechSaaS

Founder & CEO at Poolside

Intro paths

→

In turn, Jason can intro founders to Poolside's investors below.

Poolside's investors · 33

20VCLondon · $250K – $5M checks7GC & CoLos AngelesAbstraction CapitalKansas City · $50K – $400K checksAdams Street PartnersChicago · $150M – $750M checks · since 2024Air Street CapitalSt. Peter Port · $500K – $10M checksB Capital GroupSan Francisco · $10M – $50M checksB4 Capital$10M – $50M checksBain Capital VenturesBoston · $1M – $100M checks · since 2024BAM ElevateChicago · since 2024Capital One VenturesMcLean · since 2024Citi VenturesNew York · since 2024DST GlobalGeorge Town, Grand Cayman · $100K – $200M checks · since 2024EbaySan JoseFelicis VenturesSan Francisco · $500K – $15M checks · since 2024Fin CapitalSan Francisco · $250K – $15M checks · since 2024FPVJackson · $100K – $5M checksFrstParis · $2M checksInovia CapitalMontreal · $250K – $8M checksIsaiParis · $108K – $54M checksISAI GestionParisItalian Angels for GrowthMilanLG Technology VenturesSilicon Valley · since 2024Motier VenturesParis · $330K – $3.3M checksMotive ForceSan FranciscoNVIDIASanta Clara · since 2026Point NineBerlin · $1M – $10M checksPremji InvestMenlo Park · since 2024Preston-Werner VenturesSan Francisco Bay Area · $500K – $3M checksRedpoint VenturesWoodside · $100K – $10M checks · since 2024S VenturesMountain View · $1M – $5M checksScribble VenturesPortola Valley · $750K – $1.5M checksSoftBank Vision FundLondonStepstone GroupCharlotte · since 2024

Co-founders at Poolside

EKEiso Kant
Eiso KantFounder

Experience

  1. poolsideCo-CEO & Co-Foundercurrent2023 — present
  2. Bridgewater AssociatesBoard Membercurrent2023 — present
  3. Redpoint VenturesManaging Director2021 — 2023
  4. GitHubCTO2017 — 2021
  5. HerokuVP Engineering / Head of Engineering2014 — 2017San Francisco Bay Area
  6. Canonical Ltd.Head of Engineering, Ubuntu Desktop2010 — 2014
  7. The 41st ParameterHead of Engineering2006 — 2010Scottsdale, Arizona
  8. Our Vacation StoreArchitect / Team Leader2003 — 2006
  9. SBCTechnical Architect2001 — 2003
  10. MicrocastSr. Internet Developer2000
  11. IBMIT Specalist1995 — 1999

Skills & more

Agile Methodologies86Software Development70Linux26HTML3Cloud Computing21SaaS10Open Source14Architecture4MySQL6Start-ups21SOA3Scrum9
+8 moreIntegrationEnterprise SoftwareSpringApacheVirtualizationSoftware EngineeringJavaWeb Services

Languages English · French

From Jason's professional profile.

Investments

Investor

AdaloArrowsBalsaBattlesnakeBeamCasedCensusClient-side developmentCognito HealthConfighubCoScreenDecodableDXeffxEndgameEtchedEventualFamFeatheryFigJamKomodorMacroMagicLabsMeroxaMeticulousModerneMonetizeNowNextmvOctaneOllamaOpticOrbitOutwayPatronus AIPostHogRainbowRaycastReadySet TechnologyReclaim.aiRenderRewatchRootlySeriesSignadotStarkStarTree (fka CortexData)StreamdalSuborbitalSupabaseSvixSwellSymThe Browser CompanyTinybirdTransformUtilizecoreWasmerXMTP

Per curated public sources.

Network10

Aaron Rosenson
Managing Partner at Aleph
Amir Jerbi
Angel
Andy Chou
Investor at 11.2 Capital
Annelies Gamble
Investor at Zetta Venture Partners
Armando Biondi
Investor at Sortly
Ben Davenport
Venture Partner at Blockchain Capital
Chang Xu
Partner at Basis Set Ventures
Charlie Cheever
Angel
Clint Smith
Investor at Discord
Dan Scheinman
Board Director: Zoom, Arista, Sentinel One at Operator Collective

Investors connected to Jason in public investor directories — a warm-intro map.

Frequently asked questions

Who is Jason Warner?
Jason Warner, former GitHub CTO and Heroku Head of Engineering turned managing director, assesses code quality, on-call practices and day-to-day engineering, runs weekly founder content and founded Poolside AI.
Where does Jason Warner work?
Jason Warner is Founder & CEO of Poolside.
What does Jason Warner invest in?
Jason Warner invests in AI & Machine Learning, Consumer, Enterprise Software, Fintech, SaaS.
What check size does Jason Warner write?
Jason Warner typically writes checks of $100K – $50M.
What companies did Jason Warner found?
Jason Warner founded Poolside.
What companies has Jason Warner invested in?
Investments tracked here include Adalo, Arrows, Balsa, Battlesnake, Beam, Cased, Census, Client-side development, Cognito Health, Confighub, CoScreen, Decodable, and 47 more.
Where did Jason Warner go to school?
Jason Warner studied at Rensselaer Polytechnic Institute (Master of Science (MS), Computer Science); Penn State University (BS, Computer Science).

Founder mafias

Same school

Shared employers