Founder Directory
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Founders3
Known for these resultsRole0%Role is parsed from founder titles in yc.db. Known for 0% 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.School100%School is matched from bios, case-sensitive for acronyms. 100% of these rows have at least one match.
- Jen HerbachFounder · Adventris PharmaceuticalsW23Healthcare · Baltimore
- Mark Yarchoan@markyarchoanFounder · Adventris PharmaceuticalsW23Healthcare · Baltimore
- William Collis@William_CollisFounder · Adventris PharmaceuticalsW23Healthcare · Baltimore
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Jen HerbachAdventris PharmaceuticalsFounderWinter 2023HealthcareBaltimore, United States7—Mark YarchoanAdventris PharmaceuticalsFounderWinter 2023HealthcareBaltimore, United States7https://x.com/markyarchoanWilliam CollisAdventris PharmaceuticalsFounderWinter 2023HealthcareBaltimore, United States7https://x.com/William_CollisShowing 1–3 of 3 founders
William Collis
Founder·Adventris Pharmaceuticals
PRIMARY INFO
RoleFounder· not in title
Team size7
BatchWinter 2023
LocationBaltimore, United States
Company statusActive
StageEarly
BIO
William Collis is a serial entrepreneur with multiple exits, most recently the data platform Genji. His research has been published in Harvard Business review and featured as a TED talk with over 1.5M views. He holds an MBA from Harvard Business School where he was named a Baker Scholar. He is lifelong friends with his co-founders Jen Herbach and Mark Yarchoan, since meeting as roommates at Amherst College.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsMBA
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
Serial founder · self-declared
COMPANY CONTEXT
Adventris makes cancer vaccines