Founder Directory
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Founders3
Known for these resultsRole100%Role is parsed from founder titles in yc.db. Known for 100% of these rows — the rest have no title at all, mostly 2019–2023. Those rows stay in the result and are counted as Unknown, never as No.Bio100%Bio coverage: 100% of these founders have a bio on their YC profile. Every bio-derived facet (ex-company, school, credentials, discipline) is Unknown for the rest.Ex-company33%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 33% of these rows have at least one match.School100%School is matched from bios, case-sensitive for acronyms. 100% of these rows have at least one match.
- Brandon YaoFounder/COO · SemioticF25B2B · San Francisco
- Bryan GrisalesFounder/CTO · SemioticF25B2B · San Francisco
- Michael Roberson@michaelhrobersnFounder/CEO · SemioticF25B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Brandon YaoSemioticFounder/COOFall 2025B2BSan Francisco, United States3—Bryan GrisalesSemioticFounder/CTOFall 2025B2BSan Francisco, United States3—Michael RobersonSemioticFounder/CEOFall 2025B2BSan Francisco, United States3https://x.com/michaelhrobersn
Showing 1–3 of 3 founders
Brandon Yao
Founder/COO·Semiotic
PRIMARY INFO
RoleFounder/COO
Team size3
BatchFall 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
COO @ Semiotic. Studied Computer Science and Economics at Columbia before dropping out. Previously did research with the Chief Economist of OpenAI and worked at a handful of YC-backed startups.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
SemioticStudio-Grade Design at Scale
