Founder Directory
Built by Keitoto
Founders5
Known for these resultsRole20%Role is parsed from founder titles in yc.db. Known for 20% 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-company80%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 80% of these rows have at least one match.School20%School is matched from bios, case-sensitive for acronyms. 20% of these rows have at least one match.
- Christopher Burns@burnedchrisFounder/CEO · InthX26B2B · San Francisco
- David GraunkeFounder · SafetyKitS23B2B · San Francisco
- Steven GuichardFounder · SafetyKitS23B2B · San Francisco
- Glen WiseFounder · CinderW22B2B · New York
- Phil BrennanFounder · CinderW22B2B · New York
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Christopher BurnsInthFounder/CEOSpring 2026B2BSan Francisco, United States3https://x.com/burnedchrisDavid GraunkeSafetyKitFounderSummer 2023B2BSan Francisco, United States10—Steven GuichardSafetyKitFounderSummer 2023B2BSan Francisco, United States10—Glen WiseCinderFounderWinter 2022B2BNew York, United States30—Phil BrennanCinderFounderWinter 2022B2BNew York, United States30—
Showing 1–5 of 5 founders
Phil Brennan
Founder·Cinder
PRIMARY INFO
RoleFounder· not in title
Team size30
BatchWinter 2022
LocationNew York, United States
Company statusActive
StageGrowth
BIO
Phil joined Facebook in 2017 to build out their community threat intelligence team, after running counterterrorism units for the US government. Phil worked with Glen Wise for several years at Facebook before joining him to co-found Cinder.
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
