Founder Directory
Built by Keitoto
Founders2
Known for these resultsRole0%Role is parsed from founder titles in yc.db. Known for 0% 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-company100%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 100% of these rows have at least one match.School50%School is matched from bios, case-sensitive for acronyms. 50% of these rows have at least one match.
- Jonathan Fudem@jfudemFounder · OneTextW23Fintech · San Francisco
- Ruben FiszelFounder · WindmillS22B2B · Paris
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Jonathan FudemOneTextFounderWinter 2023FintechSan Francisco, United States6https://x.com/jfudemRuben FiszelWindmillFounderSummer 2022B2BParis, France7—
Showing 1–2 of 2 founders
Ruben Fiszel
Founder·Windmill
PRIMARY INFO
RoleFounder· not in title
Team size7
BatchSummer 2022
LocationParis, France
Company statusActive
StageEarly
BIO
Ruben was top of his class MSc in CS at EPFL, did research on compilers from Scala to Hardware at Stanford, built the first open-source library for reinforcement learning for Java, , built distributed systems at scale at Palantir and ran the engineering team at a Multi-Party Computation startup. He is now building Windmill, an open-source alternative to Retool, Pipedream, Airplane that contains the infra to run it and that you can deploy at scale.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
Windmill
Open-source platform to turn scripts into internal apps & workflows
