Founder Directory
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Founders12
Known for these resultsRole67%Role is parsed from founder titles in yc.db. Known for 67% 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-company33%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 33% of these rows have at least one match.School17%School is matched from bios, case-sensitive for acronyms. 17% of these rows have at least one match.
- Bishal Karmakar@BishalK_Founder/CTO · ProjectXX26B2B · San Francisco
- Rounak Adhikary@RounaccFounder/CEO · ProjectXX26B2B · San Francisco
- Sourya Majumder@runallappsFounder/COO · ProjectXX26B2B · San Francisco
- Pierre Betouin@pbetouinFounder/CEO · TolmoX26B2B · San Francisco
- Vladimir de Turckheim@poledesfetesFounder · TolmoX26B2B · San Francisco
- Atharva Peshkar@atharva_peshkarFounder/CTO · AxionOrbital SpaceW26Industrials · San Francisco
- Dhenenjay Yadav@dhenenjayFounder/CEO · AxionOrbital SpaceW26Industrials · San Francisco
- Josh Park@joshhparkFounder/CTO · EndstackF24B2B · Los Angeles
- Sam Park@samuelparkFounder/CEO · EndstackF24B2B · Los Angeles
- Bruno CecattoFounder · cloud humansW21B2B · New York
- Felipe Serra de OliveiraFounder · cloud humansW21B2B · New York
- Ian Kraskoff@IanKraskoffFounder · cloud humansW21B2B · New York
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Bishal KarmakarProjectXFounder/CTOSpring 2026B2BSan Francisco, United States8https://x.com/BishalK_Rounak AdhikaryProjectXFounder/CEOSpring 2026B2BSan Francisco, United States8https://x.com/RounaccSourya MajumderProjectXFounder/COOSpring 2026B2BSan Francisco, United States8https://x.com/runallappsPierre BetouinTolmo2× YCFounder/CEOSpring 2026B2BSan Francisco, United States12https://x.com/pbetouinVladimir de TurckheimTolmoFounderSpring 2026B2BSan Francisco, United States12https://x.com/poledesfetesAtharva PeshkarAxionOrbital SpaceFounder/CTOWinter 2026IndustrialsSan Francisco, United States2https://x.com/atharva_peshkarDhenenjay YadavAxionOrbital SpaceFounder/CEOWinter 2026IndustrialsSan Francisco, United States2https://x.com/dhenenjayJosh ParkEndstackFounder/CTOFall 2024B2BLos Angeles, United States2https://x.com/joshhparkSam ParkEndstackFounder/CEOFall 2024B2BLos Angeles, United States2https://x.com/samuelparkBruno Cecattocloud humansFounderWinter 2021B2BNew York, United States30—Felipe Serra de Oliveiracloud humansFounderWinter 2021B2BNew York, United States30—Ian Kraskoffcloud humansFounderWinter 2021B2BNew York, United States30https://x.com/IanKraskoff
Showing 1–12 of 12 founders
Vladimir de Turckheim
Founder·Tolmo
PRIMARY INFO
RoleFounder· not in title
Team size12
BatchSpring 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Vladimir (Vlad) was a Staff Engineer working on security products at Datadog. He joined following the acquisition of Sqreen (W18) where he was employee #4 in charge of Node.js instrumentation. He was a Node.js core collaborator for five years and has setup the whole Node.js security program. He is also the founder of Heal.dev.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
TolmoTolmo is the AI security platform that secures every layer of cloud…
Co-foundersPierre Betouin@pbetouin
