{"connections":[{"a":"p/peter-vajda","b":"p/seiji-yamamoto","documents":[{"publisher":"Y Combinator","retrievedAt":"2026-09-28","url":"https://www.ycombinator.com/companies/perfectbit-inc"}],"since":null,"type":"cofounded","via":"c/perfectbit-ai"}],"education":[],"name":"Seiji Yamamoto","roles":[{"end":null,"org":{"key":"perfectbit.ai","kind":"company","name":"PerfectBit"},"publisher":"Y Combinator","retrievedAt":"2026-09-28","role":"founder","roleAsStated":"Founder","start":null,"status":"sourced","url":"https://www.ycombinator.com/companies/perfectbit-inc"}],"slug":"seiji-yamamoto","sources":[{"fact":"role","publisher":"Y Combinator","retrievedAt":"2026-09-28","status":"sourced","url":"https://www.ycombinator.com/companies/perfectbit-inc"}],"updatedAt":"2026-09-28"}