Founder Directory
Built by Keitoto
Founders46
Known for these resultsRole33%Role is parsed from founder titles in yc.db. Known for 33% 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.Bio50%Bio coverage: 50% 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-company13%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 13% of these rows have at least one match.School22%School is matched from bios, case-sensitive for acronyms. 22% of these rows have at least one match.
- Aaron KahaneFounder · ChariotS22Fintech · New York
- Drew SchneiderFounder · ChariotS22Fintech · New York
- Salomon Serfati@SalomonSerfatiFounder · ChariotS22Fintech · New York
- Abdulhamid HaidarFounder · DarselW22Education · Amman
- Chandell StoneFounder · Degrees of FreedomW21Education · New York
- Jazel SmithFounder · Degrees of FreedomW21Education · New York
- S. Aaron AndrewFounder · Degrees of FreedomW21Education · New York
- Aly Murray@impactbyalyFounder · UPchieveW21Education · New York
- Ashby Foltz@af3Founder · CharityvestS20Fintech · Atlanta
- Stephen Kump@stephenkumpFounder · CharityvestS20Fintech · Atlanta
- Carolyn EdelsteinFounder · OpenBiomeW20Healthcare · Boston
- Majdi Osman@majdiosmanFounder · OpenBiomeW20Healthcare · Boston
- Clementine JacobyFounder · RecidivizS19Government · New York
- Joshua EssexFounder · RecidivizS19Government · New York
- Esteban Ortiz-OspinaFounder · Our World in DataW19Education · Oxford
- Hannah RitchieFounder · Our World in DataW19Education · Oxford
- Max RoserFounder · Our World in DataW19Education · Oxford
- Jonathan PettsFounder · UpsolveW19Fintech · Boston
- Atif JavedFounder/CEO · Tarjimly (acquired)W18Healthcare · San Francisco
- Aziz Alghunaim@azizkagFounder · Tarjimly (acquired)W18Healthcare · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Aaron KahaneChariotFounderSummer 2022FintechNew York, United States24—Drew SchneiderChariotFounderSummer 2022FintechNew York, United States24—Salomon SerfatiChariotFounderSummer 2022FintechNew York, United States24https://x.com/SalomonSerfatiAbdulhamid HaidarDarselFounderWinter 2022EducationAmman, Jordan5—Chandell StoneDegrees of FreedomFounderWinter 2021EducationNew York, United States7—Jazel SmithDegrees of FreedomFounderWinter 2021EducationNew York, United States7—S. Aaron AndrewDegrees of FreedomFounderWinter 2021EducationNew York, United States7—Aly MurrayUPchieveFounderWinter 2021EducationNew York, United States15https://x.com/impactbyalyAshby FoltzCharityvestFounderSummer 2020FintechAtlanta, United States9https://x.com/af3Stephen KumpCharityvestFounderSummer 2020FintechAtlanta, United States9https://x.com/stephenkumpCarolyn EdelsteinOpenBiomeFounderWinter 2020HealthcareBoston, United States70—Majdi OsmanOpenBiomeFounderWinter 2020HealthcareBoston, United States70https://x.com/majdiosmanClementine JacobyRecidivizFounderSummer 2019GovernmentNew York, United States120—Joshua EssexRecidivizFounderSummer 2019GovernmentNew York, United States120—Esteban Ortiz-OspinaOur World in DataFounderWinter 2019EducationOxford, United Kingdom19—Hannah RitchieOur World in DataFounderWinter 2019EducationOxford, United Kingdom19—Max RoserOur World in DataFounderWinter 2019EducationOxford, United Kingdom19—Jonathan PettsUpsolveFounderWinter 2019FintechBoston, United States12—Atif JavedTarjimly (acquired)Founder/CEOWinter 2018HealthcareSan Francisco, United States20—Aziz AlghunaimTarjimly (acquired)2× YCFounderWinter 2018HealthcareSan Francisco, United States20https://x.com/azizkag
Showing 1–20 of 46 founders
Clementine Jacoby
Founder·Recidiviz
PRIMARY INFO
RoleFounder· not in title
Team size120
BatchSummer 2019
LocationNew York, United States
Company statusActive
StageEarly
BIO
No bio on the YC profile. Background, credentials and discipline below are Unknown — nothing is inferred when the bio is missing.
BACKGROUND
Unknown — no bio.
Credentialsunknown
DisciplineunknownKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
Recidiviz
Helping create a smaller, fairer, safer justice system
Co-foundersJoshua Essex
