About
Andrew Sy previously worked at Meta and on machine learning infrastructure at Scale AI, which handled over 10 million calls daily. He is now building Polymorph.
Founder at PolymorphYC W26
Intro paths
YC
Andrew 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 Brad Flora, General Partner at Y Combinator — the partner who ran Polymorph's batch and knows the company first-hand. YC profile ↗
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In turn, Andrew can intro founders to Polymorph's investors below.