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
Vincent Jeltsch
Founder/CTO·Sitefire
PRIMARY INFO
RoleFounder/CTO
Team size2
BatchWinter 2026
LocationBY, Germany
Company statusActive
StageEarly
BIO
CTO@sitefire.ai, helping you market your brand to AI agents. - software engineering at RobCo - launched one the fastest growing healthcare programs in Germany - studied at CDTM, Germany's #1 study program for founders
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
No notable employer or school mentioned in the bio.
Credentialsnone mentioned
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
