About
Charlie Guo previously worked as a Developer Experience Engineer at OpenAI and has background in software engineering and artificial intelligence.
Founder at FanHeroYC S13
Intro paths
YC
Charlie went through Y Combinator (Summer 2013) β any YC alum in your network can reach them through the YC community.
β
In turn, Charlie can intro founders to FanHero's investors below.
FanHero's investors Β· 1
Co-founders at FanHero
KX
Kevin XuFounder
Experience
- OpenAIDeveloper Experience Engineercurrent2025 β presentSan Francisco, California, United States
- Artificial IgnoranceAuthorcurrent2023 β present
- PulleyStaff AI Engineer2024 β 2025
- CrowdmadeFounder/CTO2014 β 2024San Francisco Bay Area
- Andreessen HorowitzTechnical Consultant2013 β 2014Menlo Park, CA
- FanHeroCo-Founder2013Mountain View, CA
- Stanford UniversityTeaching Assistant / Section Leader2011 β 2013Stanford, CA
- ClassOwlCo-Founder & CTO2010 β 2013Stanford, CA
- Palantir TechnologiesSoftware Engineering Intern2012Palo Alto, CA
- Jelli IncSoftware Engineering Intern2010San Mateo, CA
Skills & more
Artificial Intelligence (AI)StartupsDjango6Ruby5Python6JavaScript5Ruby on Rails6
From Charlie's professional profile.
Frequently asked questions
- Who is Charlie Guo?
- Charlie Guo previously worked as a Developer Experience Engineer at OpenAI and has background in software engineering and artificial intelligence.
- Where does Charlie Guo work?
- Charlie Guo is Founder of FanHero.
- What companies did Charlie Guo found?
- Charlie Guo founded FanHero.
- Where did Charlie Guo go to school?
- Charlie Guo studied at Stanford University (Bachelor of Science (B.S.), Computer Science); Y Combinator (S13); Stanford University (Master of Science (M.S.) (Started), Computer Science).
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1
+ 8,766 more
Y Combinator mafia4,716
Also came through, then founded or led a company.
Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyDarius "Bubs" MonsefS19Founded Sightbox +3Matthew ScholzFounded Oisin Biotechnologies +3
+ 4,709 more
Stanford University mafia903
Also came through, then founded or led a company.
Peter ThielJ.D.Founded PayPal +1Reid HoffmanB.S.Founded LinkedIn +2Joe LonsdaleBSFounded Opto +3Mike Maples JrBSFounded Pattern BreakersSteve JurvetsonMSEEFounded Mojo VisionBalaji SrinivasanGraduate StudentFounded Counsyl +1
+ 896 more
OpenAI mafia68
Also came through, then founded or led a company.
Reid HoffmanBoard MemberFounded LinkedIn +2Sam AltmanCo-founder & CEOFounded Tools for Humanity +2Elon MuskCo-founder & former Co-chair / board memberFounded PayPal +5Ilya SutskeverCo-founder & Chief ScientistFounded Safe SuperintelligenceAravind SrinivasResearch ScientistFounded PerplexityDario AmodeiVP of ResearchFounded Anthropic
+ 61 more
Andreessen Horowitz mafia48
Also came through, then founded or led a company.
Ben HorowitzCo-founder & General PartnerFounded OpswareChris DixonGeneral Partner; Founder of a16z cryptoFounded HunchBalaji SrinivasanGeneral PartnerFounded Counsyl +1Erik TorenbergGeneral PartnerFounded VillageglobalSurojit ChatterjeeExecutive in ResidenceFounded Ema +1Matthieu HafemeisterPartner β Fintech InvestingFounded Concourse +1
+ 41 more
Same school
Also attended Stanford University2,000
Peter ThielCo-founder & Partner at Founders FundReid HoffmanCo-founder of LinkedIn; Partner at GreylockDavid SacksCo-founder & General Partner at Craft Ventures; former White House AI & Crypto CzarKeith RaboisManaging Director at Khosla VenturesGarry TanPresident & CEO of Y CombinatorAlfred LinPartner at Sequoia Capital
+ 1,994 more
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyArhaan A.Deeptech Fellow at Clear VenturesMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports Ventures
+ 1,994 more
Shared employers
Also worked at OpenAI133
Reid HoffmanCo-founder of LinkedIn; Partner at GreylockPat GradyPartner at Sequoia CapitalGreg BrockmanCo-founder & President of OpenAIIlya SutskeverCo-founder of OpenAI; co-founder & CEO of Safe SuperintelligenceAravind SrinivasCo-founder & CEO of Perplexity AIDario AmodeiCo-founder & CEO of Anthropic
+ 127 more
Also worked at Pulley9
Dan BeckerAdvisor at Designer FundYin WuFounder at VaporDominic SavoieFounder at ListRunnerTi ZhaoFounder at Kip HealthAli AhmedCo-Founder at PantheonBhairav MehtaFounder at Buzzle
+ 3 more
Also worked at Crowdmade1
Also worked at Stanford University723
Ann Miura-KoCo-founding Partner at FloodgateBalaji SrinivasanAngel investor and founder of The Network SchoolMartin CasadoGeneral Partner at Andreessen HorowitzMike KriegerCo-founder of Instagram; Chief Product Officer at AnthropicAndy FangCo-founder & CTO of DoorDashRyan SheaCo-founder of Blockstack (Stacks)
+ 717 more