Founder Directory
Built by Keitoto
Founders62
Known for these resultsRole27%Role is parsed from founder titles in yc.db. Known for 27% 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.Bio76%Bio coverage: 76% 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.School44%School is matched from bios, case-sensitive for acronyms. 44% of these rows have at least one match.
- Sanjukta Bhattacharya@splicewiringFounder · Atlas DiscoveryS26Healthcare · San Francisco
- Shaamil Karim@shaamilkarim1Founder/CEO · Atlas DiscoveryS26Healthcare · San Francisco
- Arvid E. Gollwitzer@arvidgollwitzerFounder/CTO · Anto BiosciencesF25Healthcare · San Francisco
- David de GruijlFounder/CEO · Anto BiosciencesF25Healthcare · San Francisco
- Emmanouela PetsolariFounder/CEO · ACXS24Healthcare · New York
- Melina PetsolariFounder/CTO · ACXS24Healthcare · New York
- Ian DardaniFounder/CEO · BiocartesianS24Healthcare · Philadelphia
- Jess LiFounder · BiocartesianS24Healthcare · Philadelphia
- Jose Miguel Hernandez LobatoFounder · Ångström AIS24Healthcare · San Francisco
- Laurence Midgley@SilkyDogfishFounder/CTO · Ångström AIS24Healthcare · San Francisco
- Evita WeagelFounder/CEO · Eris BiotechW24Healthcare · Lehi
- Rachel GarlickFounder · Eris BiotechW24Healthcare · Lehi
- Chris CarlsonFounder · ParcelBioW24Healthcare · San Francisco
- David WeinbergFounder/CEO · ParcelBioW24Healthcare · San Francisco
- 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
- Kilian VogeleFounder · InvitrisW23Healthcare · Munich
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Sanjukta BhattacharyaAtlas DiscoveryFounderSummer 2026HealthcareSan Francisco, United States3https://x.com/splicewiringShaamil KarimAtlas DiscoveryFounder/CEOSummer 2026HealthcareSan Francisco, United States3https://x.com/shaamilkarim1Arvid E. GollwitzerAnto BiosciencesFounder/CTOFall 2025HealthcareSan Francisco, United States4https://x.com/arvidgollwitzerDavid de GruijlAnto BiosciencesFounder/CEOFall 2025HealthcareSan Francisco, United States4—Emmanouela PetsolariACXFounder/CEOSummer 2024HealthcareNew York, United States4—Melina PetsolariACXFounder/CTOSummer 2024HealthcareNew York, United States4—Ian DardaniBiocartesianFounder/CEOSummer 2024HealthcarePhiladelphia, United States2—Jess LiBiocartesianFounderSummer 2024HealthcarePhiladelphia, United States2—Jose Miguel Hernandez LobatoÅngström AIFounderSummer 2024HealthcareSan Francisco, United States5—Laurence MidgleyÅngström AIFounder/CTOSummer 2024HealthcareSan Francisco, United States5https://x.com/SilkyDogfishEvita WeagelEris BiotechFounder/CEOWinter 2024HealthcareLehi, United States2—Rachel GarlickEris BiotechFounderWinter 2024HealthcareLehi, United States2—Chris CarlsonParcelBioFounderWinter 2024HealthcareSan Francisco, United States6—David WeinbergParcelBioFounder/CEOWinter 2024HealthcareSan Francisco, United States6—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_CollisKilian VogeleInvitrisFounderWinter 2023HealthcareMunich, Germany6—
Showing 1–20 of 62 founders
David Weinberg
Founder/CEO·ParcelBio
PRIMARY INFO
RoleFounder/CEO
Team size6
BatchWinter 2024
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
David is the co-founder and CEO of ParcelBio. He was previously VP of RNA Platform at Orbital Therapeutics / Circ Bio, where he led the development of a circular RNA therapeutics platform. Before that, he was Sr. Director of Molecular Research at Freenome, where he built the multiomics diagnostics platform that enabled a blood test for the early detection of cancer. David obtained his PhD from MIT, was a UCSF Faculty Fellow, and has been honored with Forbes ‘30 Under 30’ and an NIH DP5 Award.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsForbes 30U30PhD
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
ParcelBioElevated mRNA for transformative medicines.
IndustryHealthcare
Websiteparcelbio.com/
Team size6
X—
LocationSan Francisco, United States
BatchWinter 2024
Co-foundersChris Carlson
