Founder Directory
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Founders90
Known for these resultsRole21%Role is parsed from founder titles in yc.db. Known for 21% 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.Bio77%Bio coverage: 77% 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-company2%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 2% of these rows have at least one match.School48%School is matched from bios, case-sensitive for acronyms. 48% of these rows have at least one match.
- Emily Colman@emilyrcolmanFounder · RonanRx Inc.S26Healthcare · San Francisco
- Lloyd Armbrust@larmbrustFounder/CEO · RonanRx Inc.S26Healthcare · San Francisco
- Jeff LiuFounder/CEO · FinalDoseX26Healthcare · London
- Li-Yao HuangFounder · FinalDoseX26Healthcare · London
- Steven LinFounder · FinalDoseX26Healthcare · London
- Gabriel Ocana Santero@OcanaSanteroFounder/CEO · Exin TherapeuticsW25Healthcare · San Francisco
- Marko Tvrdic@markotvrdicFounder/COO · Exin TherapeuticsW25Healthcare · San Francisco
- Adam WinnifrithFounder/CEO · Evolvere BioSciencesS24Healthcare · Oxford
- Piotr JedryszekFounder/CTO · Evolvere BioSciencesS24Healthcare · Oxford
- Weronika SlesakFounder · Evolvere BioSciencesS24Healthcare · Oxford
- 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
- Chris CarlsonFounder · ParcelBioW24Healthcare · San Francisco
- David WeinbergFounder/CEO · ParcelBioW24Healthcare · San Francisco
- Elliot TagueFounder · SynsoryBioW24Healthcare · Boston
- Nathan TagueFounder · SynsoryBioW24Healthcare · Boston
- Parsa Modareszadeh@parsamodaresFounder/COO · Velorum TherapeuticsW24Healthcare · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Emily ColmanRonanRx Inc.FounderSummer 2026HealthcareSan Francisco, United States5https://x.com/emilyrcolmanLloyd ArmbrustRonanRx Inc.2× YCFounder/CEOSummer 2026HealthcareSan Francisco, United States5https://x.com/larmbrustJeff LiuFinalDoseFounder/CEOSpring 2026HealthcareLondon, United Kingdom5—Li-Yao HuangFinalDoseFounderSpring 2026HealthcareLondon, United Kingdom5—Steven LinFinalDoseFounderSpring 2026HealthcareLondon, United Kingdom5—Gabriel Ocana SanteroExin TherapeuticsFounder/CEOWinter 2025HealthcareSan Francisco, United States9https://x.com/OcanaSanteroMarko TvrdicExin TherapeuticsFounder/COOWinter 2025HealthcareSan Francisco, United States9https://x.com/markotvrdicAdam WinnifrithEvolvere BioSciencesFounder/CEOSummer 2024HealthcareOxford, United Kingdom3—Piotr JedryszekEvolvere BioSciencesFounder/CTOSummer 2024HealthcareOxford, United Kingdom3—Weronika SlesakEvolvere BioSciencesFounderSummer 2024HealthcareOxford, United Kingdom3—Alexander 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_AshwinChris CarlsonParcelBioFounderWinter 2024HealthcareSan Francisco, United States6—David WeinbergParcelBioFounder/CEOWinter 2024HealthcareSan Francisco, United States6—Elliot TagueSynsoryBioFounderWinter 2024HealthcareBoston, United States2—Nathan TagueSynsoryBioFounderWinter 2024HealthcareBoston, United States2—Parsa ModareszadehVelorum TherapeuticsFounder/COOWinter 2024HealthcareSan Francisco, United States5https://x.com/parsamodares
Showing 1–20 of 90 founders
Emily Colman
Founder·RonanRx Inc.
PRIMARY INFO
RoleFounder· not in title
Team size5
BatchSummer 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Co-Founder & COO at RonanRx, I deliver personalized, doctor-reviewed peptide and GLP-1 care that starts with a text. I am go-to-market operator with over a decade in healthcare sales, most recently at Eli Lilly, I support weight management solutions for hundreds of physicians and millions of patients. I have 2 children: Quinn (4) and Leo (1) based Austin, TX.
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
DisciplineBusinessKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
RonanRx Inc.We use AI to personalize peptides to your biology
IndustryHealthcare
Websiteronanrx.com/
Team size5
X—
LocationSan Francisco, United States
BatchSummer 2026
Co-foundersLloyd Armbrust@larmbrust
