Founder Directory
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Founders5
Known for these resultsRole40%Role is parsed from founder titles in yc.db. Known for 40% 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-company0%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 0% of these rows have at least one match.School40%School is matched from bios, case-sensitive for acronyms. 40% of these rows have at least one match.
- Rob Timms@robertwtimmsFounder · IonworksS24Industrials
- Valentin SulzerFounder/CEO · IonworksS24Industrials
- Samraaj Bath@samraajFounder/CEO · ion designW24B2B · San Francisco
- Samraaj Bath@samraajFounder · BifrostW22Fintech · San Francisco
- Celilsemi Sam ErkinerFounder · Top RoadW22Fintech · Sydney
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Rob TimmsIonworksFounderSummer 2024IndustrialsUnknown5https://x.com/robertwtimmsValentin SulzerIonworksFounder/CEOSummer 2024IndustrialsUnknown5—Samraaj Bathion design2× YCFounder/CEOWinter 2024B2BSan Francisco, United States3https://x.com/samraajSamraaj BathBifrost2× YCFounderWinter 2022FintechSan Francisco, United States4https://x.com/samraajCelilsemi Sam ErkinerTop RoadFounderWinter 2022FintechSydney, Australia2—
Showing 1–5 of 5 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
