Fundraising Fox

Xiaochuan Yu

Founder

Founder at Nebula Security

FoundedNebula Security Β· YC

About

Xiaochuan Yu founded Nebula Security and previously participated in competitive hacking, including DEFCON competitions and CTF events. They hold an M.S. from UC San Diego and have published security research at USENIX Security and BlackHat.

Founder at Nebula SecurityYC S26

Intro paths

YC

Xiaochuan went through Y Combinator (Summer 2026) β€” any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Ankit Gupta, General Partner at Y Combinator β€” the partner who ran Nebula Security's batch and knows the company first-hand. YC profile β†—

β†’

In turn, Xiaochuan can intro founders to Nebula Security's investors below.

Nebula Security's investors Β· 1

Co-founders at Nebula Security

EZEten Zou
Eten ZouCEO & Founder
YTYuan Tan
Yuan TanFounder
FWFrank Wu
Frank WuFounder