Fundraising Fox

Zack Leman

Founder

Co-Founder & CTO at Jarmin

San Francisco, California, United States

FoundedJarmin Β· YC

About

Zack Leman is Co-Founder and CTO at Jarmin.ai. He previously held staff engineer and senior software engineering roles at Meta's Superintelligence Labs and Amazon Web Services, and co-founded (catch) health where he served as CTO; he also worked as a founding engineer at Artera. He holds a double major in neuroscience and computer science from Bowdoin College and completed the Business Bridge Program at Tuck School of Business at Dartmouth.

LinkedIn β†—X / Twitter β†—
Latest on 𝕏

Zack Leman @zackeryleman

100% this https://t.co/woapvCiNaK

Dec 13, 2023 Β· β™₯ 5

Co-Founder & CTO at JarminYC F25

Intro paths

YC

Zack went through Y Combinator (Fall 2025) β€” 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 β€” the partner who ran Jarmin's batch and knows the company first-hand. YC profile β†—

β†’

In turn, Zack can intro founders to Jarmin's investors below.

Jarmin's investors Β· 1

Y Combinator

Co-founders at Jarmin

CBChalmers Brown
Chalmers BrownCo-Founder & CEO
SHShirsendu Halder
Shirsendu HalderCo-Founder & Head of ML

Experience

  1. JarminCo-Founder & CTOcurrent2025 β€” presentSan Francisco, California, United States
  2. MetaStaff Software Engineer @ Meta SuperIntelligence Labs2024 β€” 2025Menlo Park, California, United States
  3. (catch) healthCo-Founder & Principal Engineer2022 β€” 2024
  4. Amazon Web Services (AWS)Senior Software Development Engineer2021 β€” 2022San Francisco Bay Area
  5. Well Health Inc.Staff Backend Software Engineer2019 β€” 2021San Francisco Bay Area
  6. Well Health Inc.Senior Backend Software Engineering Lead2018 β€” 2019San Francisco Bay Area
  7. Well Health Inc.Backend Software Engineer2016 β€” 2018
  8. Zackery LemanFreelance Software Engineer2015 β€” 2018
  9. Make SchooliOS Instructor2015Sunnyvale, California, United States
  10. Bowdoin College Neuroscience DepartmentResearch Fellow2013 β€” 2014Brunswick, Maine

Education

  1. Bowdoin CollegeBachelor’s Degree, Neuroscience and Computer Science2011 β€” 2015
  2. The Tuck School of Business at DartmouthBusiness Bridge Program2013

Skills & more

PostgreSQL1JavaScript3Java2HTML 52CSS2Terraform2Adobe Creative Suite1Node.js1MongoDB1docker1SQLNoSQL
+12 morePython (Programming Language)Amazon Web Services (AWS)ElasticsearchsqlDockermongoLambdaAWS LambdaSoftware DevelopmentCloud ComputingResearchStatistical Data Analysis

From Zack's professional profile.

Same school

Also attended Bowdoin College50

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 PartnersAndy PalmerCo-Founder of Tamr at Underscore VC

+ 44 more

Also attended The Tuck School of Business at Dartmouth157

John McCulloughInvestor at OpenView Venture PartnersCarley PhillipsPrincipal at GreycroftM.G. ThibautFormer Chief Financial Officer at DroneDeploy at Scale Venture PartnersLiam DonohueInvestor at .406 VenturesGraham BrooksPartner at .406 VenturesJoanna Skoler GilmanChief Marketing and Communications Officer at .406 Ventures

+ 151 more

Shared employers

Also worked at Meta161

TinaInvestments & Portfolio Services Team Member at Clear VenturesMike ArpaiaComputer scientist working on machine learning and data infrastructureKevin ColleranManaging Director at Slow VenturesJon ChuInvestor at Khosla VenturesRyan ScottInvestor at Khosla VenturesDavid YangPartner at Lux Capital

+ 155 more

Also worked at Amazon Web Services (AWS)144

Nancy WangInvestor at Felicis VenturesJon TurowVenture Partner at Madrona Venture GroupEric AndersonPartner at Scale Venture PartnersKeerthi NalabotuInvestor at True VenturesJared SaulFormer Chief Medical Officer, Commercial Health & Life Sciences (External Advisor) at Flare Capital PartnersEllen RubinPartner at Glasswing Ventures

+ 138 more

Also worked at Well Health Inc.3

Dan GoldsmithCo-Founder & Partner at Proofpoint CapitalVictor EchevarriaManaging Director at Jackson Square VenturesGrant BlevinsPartner at Health Velocity Capital

Also worked at Bowdoin College Neuroscience Department7

Holly MaloneyInvestment Team at General CatalystJason P. HaflerManaging Director at Sanofi VenturesRobby BittingChief of Staff at MassChallenge MexicoMary Hogan PreusseChief Strategic Advisor at Fifth WallMichael SalisburyFinance and Fund Administration Manager at CEI VenturesMatthew GreenfieldManaging Partner at Rethink Capital Partners

+ 1 more