Founder Directory
Built by Keitoto
Founders2
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-company0%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 0% 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.
- Frank LiFounder/CTO · PraximW25B2B · San Francisco
- Richie HsiungFounder/CEO · PraximW25B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Frank LiPraximFounder/CTOWinter 2025B2BSan Francisco, United States2—Richie HsiungPraximFounder/CEOWinter 2025B2BSan Francisco, United States2—
Showing 1–2 of 2 founders
Richie Hsiung
Founder/CEO·Praxim
PRIMARY INFO
RoleFounder/CEO
Team size2
BatchWinter 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Richie is the Co-Founder of Praxim. He studied Math/CS/Philosophy at Yale. He was a USA Math Olympian and won the American Invitational Math Examination with a perfect score. The AIME is now one of the most commonly used math benchmarks for AI models.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
Disciplinenot detectedKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
