Founder Directory
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Founders9
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.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-company56%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 56% of these rows have at least one match.School33%School is matched from bios, case-sensitive for acronyms. 33% of these rows have at least one match.
- Eli Bullock-PapaFounder/CEO · Pax HistoriaW26Consumer · San Francisco
- Ryan ZhangFounder/CTO · Pax HistoriaW26Consumer · San Francisco
- Benjamin KilimnikFounder · PAX MarketsW25Fintech · San Francisco
- Pete Stevenson@pax_pax_paxFounder/CEO · PAX MarketsW25Fintech · San Francisco
- Sam KramerFounder · InvariaS24B2B · London
- Chris Le@chriiisleFounder · PaxS24B2B · San Francisco
- Penny ChenFounder/CEO · PaxS24B2B · San Francisco
- Will Lawrence@will_lawrenceTOFounder · Bretton AIS23Fintech · San Francisco
- Brad Dwyer@braddwyerFounder · RoboflowS20B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Eli Bullock-PapaPax HistoriaFounder/CEOWinter 2026ConsumerSan Francisco, United States3—Ryan ZhangPax HistoriaFounder/CTOWinter 2026ConsumerSan Francisco, United States3—Benjamin KilimnikPAX MarketsFounderWinter 2025FintechSan Francisco, United States6—Pete StevensonPAX MarketsFounder/CEOWinter 2025FintechSan Francisco, United States6https://x.com/pax_pax_paxSam KramerInvariaFounderSummer 2024B2BLondon, United Kingdom3—Chris LePaxFounderSummer 2024B2BSan Francisco, United States10https://x.com/chriiislePenny ChenPaxFounder/CEOSummer 2024B2BSan Francisco, United States10—Will LawrenceBretton AIFounderSummer 2023FintechSan Francisco, United States34https://x.com/will_lawrenceTOBrad DwyerRoboflowFounderSummer 2020B2BSan Francisco, United States100https://x.com/braddwyer
Showing 1–9 of 9 founders
Benjamin Kilimnik
Founder·PAX Markets
PRIMARY INFO
RoleFounder· not in title
Team size6
BatchWinter 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
CTO at PAX. High frequency crypto trader. Smart contract trader. Cryptography and systems researcher at Brown. Distributed systems software at New Relic. Privacy engineer at Pixie Labs, startup exited to New Relic. B.S. Brown University, computer science.
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
Exit mentioned in bio
COMPANY CONTEXT
PAX Markets
More 𝛼, less latency: exchange and HFT on one chip.
Co-foundersPete Stevenson@pax_pax_pax
