Founder Directory
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Founders6
Known for these resultsRole83%Role is parsed from founder titles in yc.db. Known for 83% 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-company17%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 17% of these rows have at least one match.School33%School is matched from bios, case-sensitive for acronyms. 33% of these rows have at least one match.
- David ElskampFounder/CEO · LexiusW26B2B · San Francisco
- Liam WebsterFounder/CTO · LexiusW26B2B · San Francisco
- Harshit Garg@HarshitGarg03Founder/CEO · LexiF25B2B · San Francisco
- Kiran Mohan@bmnarikFounder/CTO · LexiF25B2B · San Francisco
- Zain KhanFounder · InstaKinS21Fintech · Houston
- Lexi Rovner@lexrovnerFounder/CEO · 64x BioS18Healthcare · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
David ElskampLexiusFounder/CEOWinter 2026B2BSan Francisco, United States3—Liam WebsterLexiusFounder/CTOWinter 2026B2BSan Francisco, United States3—Harshit GargLexiFounder/CEOFall 2025B2BSan Francisco, United States15https://x.com/HarshitGarg03Kiran MohanLexiFounder/CTOFall 2025B2BSan Francisco, United States15https://x.com/bmnarikZain KhanInstaKinFounderSummer 2021FintechHouston, United States15—Lexi Rovner64x BioFounder/CEOSummer 2018HealthcareSan Francisco, United States25https://x.com/lexrovner
Showing 1–6 of 6 founders
Lexi Rovner
Founder/CEO·64x Bio
PRIMARY INFO
RoleFounder/CEO
Team size25
BatchSummer 2018
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Lexi Rovner, PhD is the CEO & co-founder of 64x Bio, a spinout of Harvard Medical School and the Wyss Institute. Lexi completed her PhD at Yale University and her postdoctoral work in George Church’s lab at Harvard Medical School, where she co-founded the company alongside George, Pam Silver, Jeff Way, and David Thompson. Lexi is a Y Combinator alum, a 2022 Endpoints 20 under 40 Next-Generation Biotech Leader, and a 2022 Bloomberg New Economy Catalyst Awardee.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsPhD
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
64x BioEnabling next generation medicines. A comprehensive platform and…
