About
Seiji Yamamoto spent nine years at Meta as a Senior Staff Research Scientist, focusing on large language model development, inference optimization, speech models, and computer vision. He holds a PhD in Physics with published research in top-tier journals and completed postdoctoral work at a national laboratory.
Founder at PerfectBit, Inc.YC X26
Intro paths
YC
Seiji went through Y Combinator (Spring 2026) — any YC alum in your network can reach them through the YC community.
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Their group partner at YC was Garry Tan, President & CEO of Y Combinator — the partner who ran PerfectBit, Inc.'s batch and knows the company first-hand. YC profile ↗
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In turn, Seiji can intro founders to PerfectBit, Inc.'s investors below.
PerfectBit, Inc.'s investors · 3
Co-founders at PerfectBit, Inc.
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Peter VajdaFounder