About
Jerry Zhang is a co-founder of Lemma, an AI agents reliability platform supported by Y Combinator's F25 cohort.
Founder at LemmaYC F25
Intro paths
YC
Jerry went through Y Combinator (Fall 2025) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Nicolas Dessaigne, General Partner at Y Combinator — the partner who ran Lemma's batch and knows the company first-hand. YC profile ↗
→
In turn, Jerry can intro founders to Lemma's investors below.
Lemma's investors · 5
Co-founders at Lemma
CG
Cole GawinFounder
Experience
- Lemma (YC F25)Co-Foundercurrent2025 — presentSan Francisco, CA
- ChipStackSoftware Engineer2025San Jose, CA
- NeoScholar Finalist2025
- LavaLabDirector of Internal Community2025
- LavaLabDeveloper2024
- SEP at USCDirector of Recruiting2024
- SEP at USCDirector of External Affairs2024
- SEP at USCTau Class Member2023
- USC Viterbi School of EngineeringUndergraduate Research Assistant @ Cyber-Physical System Design Lab (CURVE Scholar)2023 — 2024
- Utopia LabsSoftware Engineer Intern2023Vancouver, British Columbia, Canada
Skills & more
Product Management1TypeScriptStart-up Leadership1Computer Science1Project ManagementConsultingDeep Reinforcement LearningMachine LearningWeb ApplicationsRobot Operating System (ROS)Computer VisionArtificial Intelligence (AI)
+12 more
Pitching IdeasWeb DevelopmentResearch SkillsPresentation SkillsLeadershipViteVue.jsReact.jsFastAPISupabaseC++Next.jsFrom Jerry's professional profile.
Frequently asked questions
- Who is Jerry Zhang?
- Jerry Zhang is a co-founder of Lemma, an AI agents reliability platform supported by Y Combinator's F25 cohort.
- Where does Jerry Zhang work?
- Jerry Zhang is Founder of Lemma.
- What companies did Jerry Zhang found?
- Jerry Zhang founded Lemma.
- Where did Jerry Zhang go to school?
- Jerry Zhang studied at Y Combinator; University of Southern California (Bachelor's degree, Computer Science and Business Administration); Collingwood School (High School Diploma).
Founder mafias
Y Combinator mafia9,491
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident & CEOFounded Y Combinator +1Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded Hotspots
+ 9,484 more
Y Combinator mafia5,070
Also came through, then founded or led a company.
Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyGleb ChuvpiloAlumFounded Pager +4IanFounded Apex Technology +3
+ 5,063 more
University of Southern California mafia211
Also came through, then founded or led a company.
Marc BenioffB.S.B.A.Founded SalesforceGabriel PereyraBachelor's degreeFounded HarveyKent WakefordJuris Doctorate (J.D.)Founded Breaking +4Brian CruverBAFounded Xenex +2Erica BresciaBSFounded Bitnami +1Matt MichelsonM.S.Founded Evid Science +1
+ 204 more
Utopia Labs mafia2
Also came through, then founded or led a company.
Same school
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 VenturesCollin WallaceGeneral Partner at Lobby Capital
+ 1,994 more
Also attended University of Southern California583
Shaun MaguirePartner at Sequoia CapitalMarc BenioffCo-founder, Chair & CEO of SalesforceGabriel PereyraCo-founder & President of HarveyNatalie VaisInvestor at Spark CapitalErica BresciaManaging Director at Redpoint VenturesDylan PearcePartner at Greycroft
+ 577 more
Also attended Collingwood School2
Shared employers
Also worked at Lemma (YC F25)1
Also worked at Neo16
Claire YoonAssociate at Scale Venture PartnersJan CrisostomoOperating Partner at Rackhouse Venture Management LpPrachi GuptaEngineering Advisor at Modern TechnicalAnna Marie WagnerBoard Member at MassChallenge MexicoTehseen DahyaAssociate at Duke Capital PartnersAli PartoviCEO at Neo
+ 10 more
Also worked at LavaLab3
Also worked at USC Viterbi School of Engineering11
Nolan DohnalekInvestor at Green FlagAaron FykeFounder and Managing Partner at Thin Line CapitalAnthony BorquezCEO @ Grab Games & Grab Labs at Moon HoldingsPriya KunduSenior Associate at Oxeon PartnersSandeep TandonManaging Partner at Whiteboard CapitalAmy LinManaging Partner at Outcast Ventures
+ 5 more