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Soohoon Choi

InvestorFounder

Founder at Greptile · Co-founder and Chief Technology Officer at Tabnam

San Francisco, California, United States

FoundedGreptile · YCTabnam

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About

Soohoon Choi is CTO and cofounder at Greptile, a Y Combinator W24 company.

Founder at GreptileYC W24

Intro paths

YC

Soohoon went through Y Combinator (Winter 2024) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Brad Flora, Backing expeditions into the future — the partner who ran Greptile's batch and knows the company first-hand. YC profile ↗

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In turn, Soohoon can intro founders to Greptile's investors below.

Greptile's investors · 13

BenchmarkSan Francisco · $100K – $15M checks · since 2025Browder CapitalSan Francisco · $100K – $10M checks · since 2023Cory Levysince 2025CyberlaunchAtlanta · since 2023Drive CapitalColumbus · $5M – $30M checksEight CapitalNorwalkGeorgia Tech FoundationAtlantaHeirloomBrookhavenInitialized CapitalSan Francisco · $1M – $5M checks · since 2025OurCrowdJerusalemSV AngelSan Francisco · $150K – $20M checksY CombinatorSan Francisco · $500K checks · since 2024Z-FellowsNew York · $10K checks

Co-founders at Greptile

DGDaksh Gupta
Daksh GuptaFounder
VKVaishant Kameswaran
Vaishant KameswaranFounder
VK
Vaishant KameshwaranFounder

Co-founder and Chief Technology Officer at Tabnam

Intro paths

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In turn, Soohoon can intro founders to Tabnam's investors below.

Tabnam's investors · 5

BenchmarkSan Francisco · $100K – $15M checks · since 2025Cory Levysince 2025Drive CapitalColumbus · $5M – $30M checks · since 2023Initialized CapitalSan Francisco · $1M – $5M checks · since 2024Y CombinatorSan Francisco · $500K checks · since 2024

Co-founders at Tabnam

DGDaksh Gupta
Daksh GuptaCo-founder, Chief Executive Officer and President
VKVaishant Kameswaran
Vaishant KameswaranCo-founder

Investments

Per curated public sources.

Frequently asked questions

Who is Soohoon Choi?
Soohoon Choi is CTO and cofounder at Greptile, a Y Combinator W24 company.
Where does Soohoon Choi work?
Soohoon Choi is Founder of Greptile and Co-founder and Chief Technology Officer at Tabnam.
What companies did Soohoon Choi found?
Soohoon Choi founded Greptile, Tabnam.
What companies has Soohoon Choi invested in?
Investments tracked here include Autostep, Better Auth, CatchBack Cards, Prism, The Context Company.

Founder mafias

About this profile. Compiled from public sources — Greptile's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights