About
Christ Xu is a CTO at Rational who previously served as a Senior Software Engineer at Tencent and held roles as an ML Engineer at Jane Street and Software Engineer intern at OpenAI. He has a background in competitive mathematics and algorithm research.
Founder at RationalYC S26
Intro paths
YC
Christ went through Y Combinator (Summer 2026) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Jared Friedman, General Partner at Y Combinator — the partner who ran Rational's batch and knows the company first-hand. YC profile ↗
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In turn, Christ can intro founders to Rational's investors below.
Rational's investors · 1
Co-founders at Rational
JM
Jibril MoinuddinFounder