Founder Directory
Built by Keitoto
Founders34
Known for these resultsRole56%Role is parsed from founder titles in yc.db. Known for 56% 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-company35%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 35% 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.
- Colin LaveryFounder/CTO · Aerogen SystemsS26Industrials · Ann Arbor
- Noah VogelFounder/CEO · Aerogen SystemsS26Industrials · Ann Arbor
- Varun Puru@varunpuruFounder · AmuletS26B2B · San Francisco
- Connor ParkFounder/CTO · AsyncS26B2B · New York
- Aakar Khanna@khannaunoFounder/CEO · MarbleS26B2B · New York
- Arjun Chaliha@arjunjchalihaFounder/CTO · MarbleS26B2B · New York
- Tony Xavier@TonyXavier_Founder/CTO · PlutoS26B2B · New York
- Jibril Moinuddin@JibrilAsifFounder/CEO · RationalS26B2B · San Francisco
- Albert CaiFounder/CEO · HarborX26Healthcare · San Francisco
- Nathan H. Leung@nathanhleungFounder/CTO · HarborX26Healthcare · San Francisco
- Xuanshu (Asher) LinFounder/CEO · AutoSituW26B2B
- Mitch Radhuber@MRadhuberFounder/CEO · CorelayerW26B2B · San Francisco
- Vineet JammalamadakaFounder/CEO · RobbyW26B2B · New York
- Zinny WeliFounder/CEO · RoboDockW26Industrials · San Francisco
- Nikhil DevarajFounder · RemedyF25Healthcare
- Valentin SulzerFounder/CEO · IonworksS24Industrials
- Reader WangFounder/CEO · PropayaS24Real Estate and Construction · San Francisco
- Elham Islam@ElhamIslam_Founder/CTO · SynnaxS24B2B · Denver
- Patrick Dotson@pj_dotsonFounder/COO · SynnaxS24B2B · Denver
- Joonghyun LeeFounder · UsulS24Government · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Colin LaveryAerogen SystemsFounder/CTOSummer 2026IndustrialsAnn Arbor, United States4—Noah VogelAerogen SystemsFounder/CEOSummer 2026IndustrialsAnn Arbor, United States4—Varun PuruAmuletFounderSummer 2026B2BSan Francisco, United States2https://x.com/varunpuruConnor ParkAsyncFounder/CTOSummer 2026B2BNew York, United States2—Aakar KhannaMarbleFounder/CEOSummer 2026B2BNew York, United States2https://x.com/khannaunoArjun ChalihaMarbleFounder/CTOSummer 2026B2BNew York, United States2https://x.com/arjunjchalihaTony XavierPlutoFounder/CTOSummer 2026B2BNew York, United States5https://x.com/TonyXavier_Jibril MoinuddinRationalFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/JibrilAsifAlbert CaiHarborFounder/CEOSpring 2026HealthcareSan Francisco, United States3—Nathan H. LeungHarborFounder/CTOSpring 2026HealthcareSan Francisco, United States3https://x.com/nathanhleungXuanshu (Asher) LinAutoSituFounder/CEOWinter 2026B2BUnknown2—Mitch RadhuberCorelayerFounder/CEOWinter 2026B2BSan Francisco, United States3https://x.com/MRadhuberVineet JammalamadakaRobbyFounder/CEOWinter 2026B2BNew York, United States3—Zinny WeliRoboDockFounder/CEOWinter 2026IndustrialsSan Francisco, United States3—Nikhil DevarajRemedyFounderFall 2025HealthcareUnknown2—Valentin SulzerIonworksFounder/CEOSummer 2024IndustrialsUnknown5—Reader WangPropayaFounder/CEOSummer 2024Real Estate and ConstructionSan Francisco, United States2—Elham IslamSynnaxFounder/CTOSummer 2024B2BDenver, United States5https://x.com/ElhamIslam_Patrick DotsonSynnaxFounder/COOSummer 2024B2BDenver, United States5https://x.com/pj_dotsonJoonghyun LeeUsulFounderSummer 2024GovernmentSan Francisco, United States15—
Showing 1–20 of 34 founders
Valentin Sulzer
Founder/CEO·Ionworks
PRIMARY INFO
RoleFounder/CEO
Team size5
BatchSummer 2024
LocationRemote
Company statusActive
StageEarly
BIO
Created PyBaMM, the world's leading open-source battery simulation software. Now building Ionworks to make it accessible to every single battery engineer around the world. Previously PhD (Maths) at Oxford + 4 years engineering research at University of Michigan and Carnegie Mellon
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsPhD
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
IonworksSimulation software used by leading battery and automotive companies
Co-foundersRob Timms@robertwtimms
