Founder Directory
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Founders4
Known for these resultsRole25%Role is parsed from founder titles in yc.db. Known for 25% 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.School50%School is matched from bios, case-sensitive for acronyms. 50% of these rows have at least one match.
- Regina LinFounder/CEO · DexW25B2B · San Francisco
- Arvind SubramanianFounder · ContourS23B2B · New York
- Vamsi SaladiFounder · ContourS23B2B · New York
- Sam YangFounder · BloomW21Fintech · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Regina LinDexFounder/CEOWinter 2025B2BSan Francisco, United States2—Arvind SubramanianContourFounderSummer 2023B2BNew York, United States2—Vamsi SaladiContourFounderSummer 2023B2BNew York, United States2—Sam YangBloom2× YCFounderWinter 2021FintechSan Francisco, United States8—
Showing 1–4 of 4 founders
Regina Lin
Founder/CEO·Dex
PRIMARY INFO
RoleFounder/CEO
Team size2
BatchWinter 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Regina is the co-founder & CEO of Dex. She studied Mathematics with a concurrent master's in Computational Science at Harvard (dropped out). She previously co-founded Contour AI, a devOps tool for LLM evaluation, helped build the MVP an ecommerce marketplace with 40K+ customers and worked in various tech investment roles.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsDropout / Thiel
Disciplinenot detectedKeyword match from the bio text, not a classifier.
TRACK RECORD
Serial founder · self-declared
COMPANY CONTEXT
Dex
The AI Coworker in Chrome
Co-foundersKevin Gu
