Founder Directory
Built by Keitoto
Founders97
Known for these resultsRole44%Role is parsed from founder titles in yc.db. Known for 44% 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.Bio84%Bio coverage: 84% 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-company31%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 31% of these rows have at least one match.School20%School is matched from bios, case-sensitive for acronyms. 20% of these rows have at least one match.
- Anton Livaja@antonlivajaFounder/CEO · CautionS26B2B · George Town
- Ksenia Lesko@xenushFounder · CautionS26B2B · George Town
- Lance VickFounder/CTO · CautionS26B2B · George Town
- Bence Redmond@benceredmondFounder/CTO · HopliteS26B2B · San Francisco
- Ryan Morrissey@ryan_morrFounder/CEO · HopliteS26B2B · San Francisco
- Barnaby Malet@barnabymaletFounder/CEO · machine0S26B2B · Paris
- Adi Singh@xadisinghFounder/CEO · AraX26B2B · San Francisco
- Sven Myhre@svemyhreFounder/CTO · AraX26B2B · San Francisco
- Catherine Jue@juecd__Founder/CEO · KERNELS25B2B · San Francisco
- Rafael Garcia@rfgarciaFounder/CTO · KERNELS25B2B · San Francisco
- Lucas EwingFounder/CEO · LilacS25B2B · San Francisco
- Ryan EwingFounder · LilacS25B2B · San Francisco
- Jake Stevens@stake_jevensFounder · LuminalS25B2B · San Francisco
- Joe Fioti@joefiotiFounder/CEO · LuminalS25B2B · San Francisco
- Matthew Gunton@matthewjguntonFounder/CTO · LuminalS25B2B · San Francisco
- Jack Sutton@JackSutton_SFFounder/CTO · AravoltaX25B2B · San Francisco
- Margarita Groisman@Marg_GroismanFounder/CEO · AravoltaX25B2B · San Francisco
- Charles DrappierFounder · BlaxelX25B2B · San Francisco
- Christophe PloujouxFounder/CTO · BlaxelX25B2B · San Francisco
- Mathis JoffreFounder · BlaxelX25B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Anton LivajaCautionFounder/CEOSummer 2026B2BGeorge Town, Cayman Islands5https://x.com/antonlivajaKsenia LeskoCautionFounderSummer 2026B2BGeorge Town, Cayman Islands5https://x.com/xenushLance VickCautionFounder/CTOSummer 2026B2BGeorge Town, Cayman Islands5—Bence RedmondHopliteFounder/CTOSummer 2026B2BSan Francisco, United States2https://x.com/benceredmondRyan MorrisseyHopliteFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/ryan_morrBarnaby Maletmachine02× YCFounder/CEOSummer 2026B2BParis, France1https://x.com/barnabymaletAdi SinghAraFounder/CEOSpring 2026B2BSan Francisco, United States2https://x.com/xadisinghSven MyhreAraFounder/CTOSpring 2026B2BSan Francisco, United States2https://x.com/svemyhreCatherine JueKERNEL2× YCFounder/CEOSummer 2025B2BSan Francisco, United States6https://x.com/juecd__Rafael GarciaKERNEL2× YCFounder/CTOSummer 2025B2BSan Francisco, United States6https://x.com/rfgarciaLucas EwingLilacFounder/CEOSummer 2025B2BSan Francisco, United States4—Ryan EwingLilacFounderSummer 2025B2BSan Francisco, United States4—Jake StevensLuminalFounderSummer 2025B2BSan Francisco, United States7https://x.com/stake_jevensJoe FiotiLuminalFounder/CEOSummer 2025B2BSan Francisco, United States7https://x.com/joefiotiMatthew GuntonLuminalFounder/CTOSummer 2025B2BSan Francisco, United States7https://x.com/matthewjguntonJack SuttonAravoltaFounder/CTOSpring 2025B2BSan Francisco, United States4https://x.com/JackSutton_SFMargarita GroismanAravoltaFounder/CEOSpring 2025B2BSan Francisco, United States4https://x.com/Marg_GroismanCharles DrappierBlaxelFounderSpring 2025B2BSan Francisco, United States8—Christophe PloujouxBlaxelFounder/CTOSpring 2025B2BSan Francisco, United States8—Mathis JoffreBlaxelFounderSpring 2025B2BSan Francisco, United States8—
Showing 1–20 of 97 founders
Ksenia Lesko
Founder·Caution
PRIMARY INFO
RoleFounder· not in title
Team size5
BatchSummer 2026
LocationGeorge Town, Cayman Islands
Company statusActive
StageEarly
BIO
Co-founder at Caution, where we help teams run sensitive workloads in secure enclaves and cryptographically prove what code is running in production. I lead the business and product side; previously ran strategy and ops at Distrust (distrust.co) and led customer education and activation at Ada (ada.cx).
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
No notable employer or school mentioned in the bio.
Credentialsnone mentioned
Disciplinenot detectedKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
CautionHosting platform for software you don't want to have hacked
