About
Brandon Yao studied computer science and economics at Columbia. He has conducted research with OpenAI's chief economist and held roles at several YC-backed startups, and now serves as COO at Semiotic.
Founder at SemioticYC F25
Intro paths
YC
Brandon 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 David Lieb, General Partner at Y Combinator — the partner who ran Semiotic's batch and knows the company first-hand. YC profile ↗
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In turn, Brandon can intro founders to Semiotic's investors below.
Semiotic's investors · 2
Co-founders at Semiotic
MR
Michael RobersonFounder
BG
Bryan GrisalesFounder