Founder Directory
Built by Keitoto
Founders22
Known for these resultsRole45%Role is parsed from founder titles in yc.db. Known for 45% 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.Bio73%Bio coverage: 73% 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-company23%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 23% of these rows have at least one match.School14%School is matched from bios, case-sensitive for acronyms. 14% of these rows have at least one match.
- Serafim Korablev@serafimcloudFounder/CEO · 21stW26B2B · San Francisco
- Sergey Bunas@sergeybunasFounder/CTO · 21stW26B2B · San Francisco
- Lina Colucci@lina_colucciFounder/CEO · LemonSliceW24B2B · San Francisco
- Bruce ChiFounder/CEO · SuretyNowW24Fintech · Austin
- Jay Xiao@yjwxiaoFounder/President · SuretyNowW24Fintech · Austin
- Jack Amadeo@jackamadeoFounder · NeptyneW23B2B · New York
- Brian Wallach@bsw5020Founder · SynapticureS20Healthcare · Chicago
- Martina de Majo@MartinadeMajoFounder · SynapticureS20Healthcare · Chicago
- Peter Wallach@pwallach87Founding CEO, Founder · SynapticureS20Healthcare · Chicago
- Aditya AcharyaFounder · HavenW20Fintech · New York
- Nipun Kant@nipungkantFounder · HavenW20Fintech · New York
- Aaron MorrisFounder · PostEraW20Healthcare · Boston
- Alpha LeeFounder · PostEraW20Healthcare · Boston
- Matthew RobinsonFounder · PostEraW20Healthcare · Boston
- Aidan PorterFounder/CTO · FREYS18Consumer
- Erin Robert FreyFounder/Partner · FREYS18Consumer
- Leif FreyFounder/Head of Direction · FREYS18Consumer
- Chiu ChauFounder · OpentronsW16Healthcare · New York
- Nicholas WagnerFounder · OpentronsW16Healthcare · New York
- Will CanineFounder/CPO · OpentronsW16Healthcare · New York
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Serafim Korablev21stFounder/CEOWinter 2026B2BSan Francisco, United States3https://x.com/serafimcloudSergey Bunas21stFounder/CTOWinter 2026B2BSan Francisco, United States3https://x.com/sergeybunasLina ColucciLemonSliceFounder/CEOWinter 2024B2BSan Francisco, United States8https://x.com/lina_colucciBruce ChiSuretyNowFounder/CEOWinter 2024FintechAustin, United States4—Jay XiaoSuretyNowFounder/PresidentWinter 2024FintechAustin, United States4https://x.com/yjwxiaoJack AmadeoNeptyneFounderWinter 2023B2BNew York, United States4https://x.com/jackamadeoBrian WallachSynapticureFounderSummer 2020HealthcareChicago, United States115https://x.com/bsw5020Martina de MajoSynapticureFounderSummer 2020HealthcareChicago, United States115https://x.com/MartinadeMajoPeter WallachSynapticureFounding CEO, FounderSummer 2020HealthcareChicago, United States115https://x.com/pwallach87Aditya AcharyaHavenFounderWinter 2020FintechNew York, United States15—Nipun KantHavenFounderWinter 2020FintechNew York, United States15https://x.com/nipungkantAaron MorrisPostEraFounderWinter 2020HealthcareBoston, United States40—Alpha LeePostEraFounderWinter 2020HealthcareBoston, United States40—Matthew RobinsonPostEraFounderWinter 2020HealthcareBoston, United States40—Aidan PorterFREYFounder/CTOSummer 2018ConsumerUnknown3—Erin Robert FreyFREYFounder/PartnerSummer 2018ConsumerUnknown3—Leif FreyFREYFounder/Head of DirectionSummer 2018ConsumerUnknown3—Chiu ChauOpentronsFounderWinter 2016HealthcareNew York, United States300—Nicholas WagnerOpentronsFounderWinter 2016HealthcareNew York, United States300—Will CanineOpentronsFounder/CPOWinter 2016HealthcareNew York, United States300—
Showing 1–20 of 22 founders
Sidney Primas
Founder/CTO·LemonSlice
PRIMARY INFO
RoleFounder/CTO
Team size8
BatchWinter 2024
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
ML Engineering + Product. Prior to Infinity, I co-founded Edge Analytics, an ML consulting company that we grew to 12 mostly PhD-level engineers and $3M/year in revenue. Prior to that, went to MIT to get PhD in ML algorithms for medical imaging. Dropped out. Originally from Switzerland.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsPhDDropout / Thiel
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
LemonSliceGive your voice agents a face
