Founder Directory
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Founders2
Known for these resultsRole100%Role is parsed from founder titles in yc.db. Known for 100% 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.
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Jochen MadlerSitefireFounder/CEOWinter 2026B2BUnknown2https://x.com/jochenmadlerVincent JeltschSitefireFounder/CTOWinter 2026B2BUnknown2—Showing 1–2 of 2 founders
Jochen Madler
Founder/CEO·Sitefire
PRIMARY INFO
RoleFounder/CEO
Team size2
BatchWinter 2026
LocationBY, Germany
Company statusActive
StageEarly
BIO
Co-founder & CEO, sitefire.ai. Valedictorian of Germany's no. 1 finance program. Deep RL & optimization at Stanford and PhD at Technical University Munich (TUM).
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