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.School0%School is matched from bios, case-sensitive for acronyms. 0% of these rows have at least one match.
- Alberto Rosas@albertorosasgFounder/CEO · DiditW26B2B · San Francisco
- Alejandro Rosas@_arosasgFounder/CTO · DiditW26B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Alberto RosasDiditFounder/CEOWinter 2026B2BSan Francisco, United States16https://x.com/albertorosasgAlejandro RosasDiditFounder/CTOWinter 2026B2BSan Francisco, United States16https://x.com/_arosasg
Showing 1–2 of 2 founders
Alejandro Rosas
Founder/CTO·Didit
PRIMARY INFO
RoleFounder/CTO
Team size16
BatchWinter 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
CTO. Math, problem solver, obsessive about details and learning by building; architecting Didit’s identity infrastructure from first principles. Former professional tennis player
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
COMPANY CONTEXT
DiditInfrastructure for identity and fraud.
Co-foundersAlberto Rosas@albertorosasg
