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Zack Leman

Founder

Founder at Jarmin

San Francisco, California, United States

FoundedJarmin · YC

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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.

Founder at JarminYC F25

Intro paths

YC

Zack 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 Jarmin's batch and knows the company first-hand. YC profile ↗

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

Jarmin's investors · 5

Founder CapitalSilicon Valley · $25K – $100K checksOurCrowdJerusalemSingularity VenturesSymphony VenturesY CombinatorSan Francisco · $500K checks · since 2025

Co-founders at Jarmin

CBChalmers Brown
Chalmers BrownFounder
SHShirsendu Halder
Shirsendu HalderFounder

Experience

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

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.

Frequently asked questions

Who is Zack Leman?
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.
Where does Zack Leman work?
Zack Leman is Founder of Jarmin.
What companies did Zack Leman found?
Zack Leman founded Jarmin.
Where did Zack Leman go to school?
Zack Leman studied at Bowdoin College (Bachelor’s Degree, Neuroscience and Computer Science); The Tuck School of Business at Dartmouth (Business Bridge Program).

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