Founder Directory
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Founders6
Known for these resultsRole67%Role is parsed from founder titles in yc.db. Known for 67% 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.Bio83%Bio coverage: 83% 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-company50%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 50% of these rows have at least one match.School17%School is matched from bios, case-sensitive for acronyms. 17% of these rows have at least one match.
- Sean Grove@sgroveFounder/CEO · LinzumiX26B2B · San Francisco
- Alexandre Berkovic@alexberkovicFounder/CEO · SphinxF24Fintech · San Francisco
- Chrisjan Wust@ChrisWustFounder/CTO · SphinxF24Fintech · San Francisco
- Daniel Woelfel@danielwoelfelFounder · OneGraphS18B2B · San Francisco
- Sean Grove@sgroveFounder · OneGraphS18B2B · San Francisco
- Sean Grove@sgroveFounder/CEO · ZenboxS11B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Sean GroveLinzumi3× YCFounder/CEOSpring 2026B2BSan Francisco, United States3https://x.com/sgroveAlexandre BerkovicSphinxFounder/CEOFall 2024FintechSan Francisco, United States14https://x.com/alexberkovicChrisjan WustSphinxFounder/CTOFall 2024FintechSan Francisco, United States14https://x.com/ChrisWustDaniel WoelfelOneGraphFounderSummer 2018B2BSan Francisco, United States2https://x.com/danielwoelfelSean GroveOneGraph3× YCFounderSummer 2018B2BSan Francisco, United States2https://x.com/sgroveSean GroveZenbox3× YCFounder/CEOSummer 2011B2BSan Francisco, United States2https://x.com/sgroveShowing 1–6 of 6 founders
Sean Grove
Founder·OneGraph
PRIMARY INFO
RoleFounder· not in title
Team size2
BatchSummer 2018
LocationSan Francisco, United States
Company statusAcquired
StageEarly
BIO
Sean Grove builds systems that turn human intent into reliable software. At OpenAI he spent years in post‑training and alignment reasoning, helping develop model‑spec infrastructure and deliberative‑alignment techniques. He founded OneGraph (acquired by Netlify), was Principal Architect at Netlify, and now builds Linzumi. Sean enjoys writing about himself in the third person. Sean hungry. Sean work hard.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
3× YC founderExit mentioned in bio
- S11ZenboxInactive
- S18OneGraphAcquired · this entry
- X26LinzumiActive
COMPANY CONTEXT
GraphQL API to connect all of the internet's APIs. Join us at Netlify!
Co-foundersDaniel Woelfel@danielwoelfel