Founder Directory
Built by Keitoto
Founders3
Known for these resultsRole33%Role is parsed from founder titles in yc.db. Known for 33% 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-company67%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 67% 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.
- Jules Drean@julesdreanFounder · TinfoilX25B2B · San Francisco
- Sacha Servan-Schreiber@sachaservanFounder · TinfoilX25B2B · San Francisco
- Tanya VermaFounder/CEO · TinfoilX25B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Jules DreanTinfoilFounderSpring 2025B2BSan Francisco, United States5https://x.com/julesdreanSacha Servan-SchreiberTinfoilFounderSpring 2025B2BSan Francisco, United States5https://x.com/sachaservanTanya VermaTinfoilFounder/CEOSpring 2025B2BSan Francisco, United States5—
Showing 1–3 of 3 founders
Jules Drean
Founder·Tinfoil
PRIMARY INFO
RoleFounder· not in title
Team size5
BatchSpring 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Jules has an MIT PhD in secure hardware and confidential computing. He has industry experience working at Microsoft Research and NVIDIA on the technologies underlying Tinfoil. During his PhD, Jules has built secure enclaves from the ground up and studied how to attack and defend these systems against advance microarchitectural attacks. His work also looked at using trusted hardware to securely deploy advanced cryptographic primitives such as FHE and MPC.
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
TinfoilEncrypted AI with verifiable privacy
