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Prateek Mittal

Founder

Founder at Crosslayer Labs

Princeton, New Jersey, United States

FoundedCrosslayer Labs · YC

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About

Prateek Mittal is a computer science professor at Princeton University specializing in cybersecurity and privacy, and co-founder of Crosslayer Labs. He has received the ACM Grace Hopper Award and has contributed research to HTTPS security protocols and large language model security at OpenAI.

Founder at Crosslayer LabsYC W26

Intro paths

YC

Prateek went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Tyler Bosmeny, General Partner at Y Combinator — the partner who ran Crosslayer Labs's batch and knows the company first-hand. YC profile ↗

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In turn, Prateek can intro founders to Crosslayer Labs's investors below.

Crosslayer Labs's investors · 12

Array Ventures Management LlcSan Francisco · $1.5M checksBlast.Club$5.5M checksCleo CapitalNew York · $100K – $1M checksExit VenturesFounders FactoryLondon · $150K – $200K checksLombardstreet VenturesWoodside · $500K checksRebel FundSan Francisco · $100K – $5M checksRobinhoodMenlo ParkRWT HorizonsOrangeSeedradar VenturesVectro FundY CombinatorSan Francisco · $500K checks · since 2026

Co-founders at Crosslayer Labs

HBHenry Birge-Lee
Henry Birge-LeeCEO
GCGrace Cimaszewski
Grace CimaszewskiCTO

Frequently asked questions

Who is Prateek Mittal?
Prateek Mittal is a computer science professor at Princeton University specializing in cybersecurity and privacy, and co-founder of Crosslayer Labs. He has received the ACM Grace Hopper Award and has contributed research to HTTPS security protocols and large language model security at OpenAI.
Where does Prateek Mittal work?
Prateek Mittal is Founder of Crosslayer Labs.
What companies did Prateek Mittal found?
Prateek Mittal founded Crosslayer Labs.

Founder mafias

About this profile. Compiled from public sources — Crosslayer Labs'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