Founder Directory
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Founders40
Known for these resultsRole43%Role is parsed from founder titles in yc.db. Known for 43% 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.Bio78%Bio coverage: 78% 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.School45%School is matched from bios, case-sensitive for acronyms. 45% of these rows have at least one match.
- Paul Conyngham@paul_conynghamFounder/CEO · GamgeeS26Healthcare · San Francisco
- Alfredo GonzalezFounder/CEO · OmantaS26Healthcare · San Francisco
- Ranad Humeidi@RanadhumeidiFounder and Chief Scientific Officer · OmantaS26Healthcare · San Francisco
- Alexander Haddad@AF_HaddadFounder · Kopra BioS24Healthcare · San Francisco
- Evita WeagelFounder/CEO · Eris BiotechW24Healthcare · Lehi
- Rachel GarlickFounder · Eris BiotechW24Healthcare · Lehi
- Ashwin JainarayananFounder · Granza BioW24Healthcare · San Francisco
- Ashwin Nandakumar@Menon_AshwinFounder/CEO · Granza BioW24Healthcare · San Francisco
- Elliot TagueFounder · SynsoryBioW24Healthcare · Boston
- Nathan TagueFounder · SynsoryBioW24Healthcare · Boston
- Parsa Modareszadeh@parsamodaresFounder/COO · Velorum TherapeuticsW24Healthcare · San Francisco
- Pouya Modareszadeh@pouyamodaresFounder/CEO · Velorum TherapeuticsW24Healthcare · San Francisco
- Jen HerbachFounder · Adventris PharmaceuticalsW23Healthcare · Baltimore
- Mark Yarchoan@markyarchoanFounder · Adventris PharmaceuticalsW23Healthcare · Baltimore
- William Collis@William_CollisFounder · Adventris PharmaceuticalsW23Healthcare · Baltimore
- David WhiteFounder · Modulari-TW23Healthcare · Montreal
- Stephanie MokFounder · Modulari-TW23Healthcare · Montreal
- Nizar BatadaFounder/CEO · Eugit TherapeuticsS22Healthcare · San Francisco
- Ananya ZutshiFounder · Guardian BioS22Healthcare · Boston
- Ricky BarrettFounder · Guardian BioS22Healthcare · Boston
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Paul ConynghamGamgeeFounder/CEOSummer 2026HealthcareSan Francisco, United States2https://x.com/paul_conynghamAlfredo GonzalezOmantaFounder/CEOSummer 2026HealthcareSan Francisco, United States4—Ranad HumeidiOmantaFounder and Chief Scientific OfficerSummer 2026HealthcareSan Francisco, United States4https://x.com/RanadhumeidiAlexander HaddadKopra BioFounderSummer 2024HealthcareSan Francisco, United States2https://x.com/AF_HaddadEvita WeagelEris BiotechFounder/CEOWinter 2024HealthcareLehi, United States2—Rachel GarlickEris BiotechFounderWinter 2024HealthcareLehi, United States2—Ashwin JainarayananGranza BioFounderWinter 2024HealthcareSan Francisco, United States8—Ashwin NandakumarGranza BioFounder/CEOWinter 2024HealthcareSan Francisco, United States8https://x.com/Menon_AshwinElliot TagueSynsoryBioFounderWinter 2024HealthcareBoston, United States2—Nathan TagueSynsoryBioFounderWinter 2024HealthcareBoston, United States2—Parsa ModareszadehVelorum TherapeuticsFounder/COOWinter 2024HealthcareSan Francisco, United States5https://x.com/parsamodaresPouya ModareszadehVelorum TherapeuticsFounder/CEOWinter 2024HealthcareSan Francisco, United States5https://x.com/pouyamodaresJen HerbachAdventris PharmaceuticalsFounderWinter 2023HealthcareBaltimore, United States7—Mark YarchoanAdventris PharmaceuticalsFounderWinter 2023HealthcareBaltimore, United States7https://x.com/markyarchoanWilliam CollisAdventris PharmaceuticalsFounderWinter 2023HealthcareBaltimore, United States7https://x.com/William_CollisDavid WhiteModulari-TFounderWinter 2023HealthcareMontreal, Canada4—Stephanie MokModulari-TFounderWinter 2023HealthcareMontreal, Canada4—Nizar BatadaEugit TherapeuticsFounder/CEOSummer 2022HealthcareSan Francisco, United States2—Ananya ZutshiGuardian BioFounderSummer 2022HealthcareBoston, United States2—Ricky BarrettGuardian BioFounderSummer 2022HealthcareBoston, United States2—
Showing 1–20 of 40 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 PharmaceuticalsAdventris makes cancer vaccines
