Founder Directory
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Founders3
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.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-company100%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 100% of these rows have at least one match.School100%School is matched from bios, case-sensitive for acronyms. 100% of these rows have at least one match.
- Saad Jamal@sadjamz_Founder/CTO · AntigenF25B2B · San Francisco
- Alan Liu@AlanLiu96Founder/CEO · Health HarborS23Healthcare · San Francisco
- Tyson ChenFounder · AvocaW23B2B · New York
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Saad JamalAntigenFounder/CTOFall 2025B2BSan Francisco, United States5https://x.com/sadjamz_Alan LiuHealth HarborFounder/CEOSummer 2023HealthcareSan Francisco, United States4https://x.com/AlanLiu96Tyson ChenAvocaFounderWinter 2023B2BNew York, United States85—
Showing 1–3 of 3 founders
Abdullah Nauman
Founder/CTO·Antigen
PRIMARY INFO
RoleFounder/CTO
Team size5
BatchFall 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Co-Founder @ Antigen. Previously product at Google Ads and ML at Google Search. Previously at Google, shipped product features for new advertisers and built large-scale ML infrastructure for measuring cross-site conversions on Search. Took a year off college to join as second employee at a YC startup. Separately scaled a bootstrap SaaS to $30k MRR. Also wrote low-level imaging software for silicon wafer manufacturing.
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
First YC company on record
COMPANY CONTEXT
Antigen
Continuous offensive security for the enterprise.
Co-foundersSaad Jamal@sadjamz_
