Fundraising Fox

Charlie Warren

InvestorFounder

Advisor at Virta Ventures · CEO & Co-Founder at Convex

San Francisco, California, United States

FoundedConvex · YC

About

Advisor who founded and built Convex into a leading commercial contractor sales platform, with over 10 years of experience in data, energy analytics, and enterprise software.

CEO & Co-Founder at ConvexYC W19

Intro paths

YC

Charlie went through Y Combinator (Winter 2019) — any YC alum in your network can reach them through the YC community.

→

In turn, Charlie can intro founders to Convex's investors below.

Convex's investors · 6

Alumni VenturesManchester · $100K – $10M checks · since 2025Andreessen HorowitzMenlo Park · $500K – $50M checks · since 2025NeoSan Francisco · $100K – $10M checks · since 2025Notable CapitalSilicon Valley · $5M – $50M checksSpark CapitalSan Francisco · $500K – $25M checks · since 2025Y CombinatorSan Francisco · $500K checks · since 2019

Co-founders at Convex

BMBlake Meulmester
Blake MeulmesterFounder/COO

Experience

  1. Y CombinatorVisiting Partnercurrent2026 — present
  2. Section B CapitalAngel Investorcurrent2024 — present
  3. ServiceTitanIndustry Advisorcurrent2026 — present
  4. ServiceTitanVice President, Commercial Service & Construction Markets2024 — 2026
  5. ConvexCo-Founder and CEO, Convex2017 — 2024
  6. Goldman SachsAssociate2016 — 2017San Francisco
  7. RouteCo-Founder2015 — 2016Cambridge, MA
  8. Council on Foreign RelationsResearch Associate2011 — 2013

Education

  1. Massachusetts Institute of TechnologyMBA, Finance
  2. Harvard UniversityMPA
  3. Bowdoin CollegeA.B., Phi Beta Kappa and Magna Cum Laude with Honors
  4. Y CombinatorW19 Batch

Colleagues at Virta Ventures

Dan Wilner
Advisor at Virta Ventures
David Bill
Operating Partner at Virta Ventures
Dipak Kumar
Investor at Virta Ventures
Eyal Zurr
Advisor at Virta Ventures
Farlan Dowell
Operating Partner at Virta Ventures
Garrett Goldberg
Venture Partner at Virta Ventures
Lee Hoffman
Advisor at Virta Ventures
Russell Sprole
Founder and Managing Partner at Virta Ventures

Frequently asked questions

Where does Charlie Warren work?
Charlie Warren is Advisor at Virta Ventures and CEO & Co-Founder at Convex.
What companies did Charlie Warren found?
Charlie Warren founded Convex.

Founder mafias

Y Combinator mafia8,732

Also came through, then founded or led a company.

Sam AltmanPresidentFounded LooptJessica LivingstonFounder, RetiredFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded CoinbaseMatt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1

+ 8,725 more

Y Combinator mafia4,701

Also came through, then founded or led a company.

Darius "Bubs" MonsefS24Founded Sightbox +3Matthew ScholzFounded Oisin Biotechnologies +3Oleg RogynskyyEntrepreneurship/Entrepreneurial StudiesFounded UFORCE Acquired +2Magnus HambletonFounded Founders Pledge +2IanFounded Immunity Project +2Guillaume LuccisanoDid Y Combinator 3 timesFounded Yuma AI +2

+ 4,694 more

Massachusetts Institute of Technology mafia525

Also came through, then founded or led a company.

Elad GilPhDFounded Brain Co.Hemant TanejaM.Eng.Founded CommureNat FriedmanBachelor of ScienceFounded XamarinMatt HuangB.S.Founded HotspotsDelian AsparouhovDropoutFounded Nightingale +1Noubar AfeyanPhDFounded ProFound Therapeutics +12

+ 518 more

Goldman Sachs mafia235

Also came through, then founded or led a company.

Fred EhrsamTraderFounded CoinbaseMatt HuangSummer AnalystFounded HotspotsDavid WhelanM&AFounded Strive Health +2Spencer RascoffInvestment BankerFounded HeyLibby +2Gordon WintrobSummer Analyst, Investment BankingFounded Newfrontinsurance +2James SteinbergAnalyst/DeveloperFounded OpenShelf +2

+ 228 more

Bowdoin College mafia7

Also came through, then founded or led a company.

Ted PowerFounded Versa +1Rachel MackBachelor of ArtsFounded Digital MatterMartina WelkhoffBAFounded ZealystTom DavidsonBachelor of Arts (BA)Founded EverFiBrian BristolBachelor of Arts - BAFounded PigeonZack LemanBachelor’s DegreeFounded Jarmin

Same school

Also attended Massachusetts Institute of Technology1,281

Fred WilsonCo-founder & Partner at Union Square VenturesElad GilSolo general partner investing through Gil CapitalAileen LeeFounder & Managing Partner of Cowboy VenturesHemant TanejaCEO & Managing Director of General CatalystNat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDGBrad FeldCo-founder of Foundry and Techstars

+ 1,275 more

Also attended Harvard University1,457

Alfred LinPartner at Sequoia CapitalChris DixonFounder & Managing Partner of a16z crypto at Andreessen HorowitzSarah TavelVenture Partner at BenchmarkDanny RimerPartner at Index VenturesLaela SturdyManaging Partner at CapitalGRyan IsonoDeal Partner at Felicis Ventures

+ 1,451 more

Also attended Bowdoin College54

Holly MaloneyInvestment Team at General CatalystKen ChenaultInvestment Team at General CatalystKevin MunnellyInvestor at Third Rock VenturesEmily PawlakVice President at Volition CapitalJohn HarthorneFounder & Managing Director at Two Lanterns Venture PartnersAndrew PalmerCo-Founder of Tamr at Underscore VC

+ 48 more

Also attended Y Combinator2,000

Maroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesVictor SantosVictor Scout at One Way VenturesSwapnil JainCEO, Observe.AI at EMERGENT VENTURESChase AdamPartner at Very Serious VenturesMuzzammil (MZ) ZaveriPartner at Audacious Ventures backing ambitious early-stage founders

+ 1,994 more

Shared employers

Also worked at Y Combinator336

Garry TanPresident & CEO of Y CombinatorJessica LivingstonCo-founder of Y CombinatorDaniel GrossMeta Superintelligence Labs; co-founder of NFDG and Safe SuperintelligenceAlexis OhanianFounder & General Partner of Seven Seven SixMichael SeibelPartner Emeritus at Y CombinatorDalton CaldwellCo-founder of Standard Capital; Partner Emeritus at Y Combinator

+ 330 more

Also worked at ServiceTitan17

Byron DeeterPartner at Bessemer Venture PartnersNina AchadjianInvestor at Index VenturesJeff RichardsInvestor at GGV CapitalSanjiv KalevarPartner at Mucker CapitalKristina ShenInvestor at ChemistryRyan MorrisonPartner at Founders Circle Capital

+ 11 more

Also worked at Convex5

Kevin SpainGeneral Partner at Emergence Capital PartnersLotti SiniscalcoPartner at Emergence Capital PartnersDanny WenPartner and Head of Business Development at WingGraham CarneyInvestor at GGV CapitalMichael KatsevmanFounder/CTO at HighlightCam

Also worked at Goldman Sachs1,436

Josh KushnerFounder & CEO of Thrive CapitalSarah GuoFounder & General Partner of ConvictionFred EhrsamCo-founder and Senior Advisor at Paradigm; founder of NudgeMatt HuangCo-founder and Managing Partner at ParadigmNiki PezeshkiGeneral Partner at Felicis VenturesChris BischoffInvestment Team at General Catalyst

+ 1,430 more