Founder Directory
Built by Keitoto
Founders64
Known for these resultsRole47%Role is parsed from founder titles in yc.db. Known for 47% 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.Bio86%Bio coverage: 86% 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.School41%School is matched from bios, case-sensitive for acronyms. 41% of these rows have at least one match.
- Eric Riesel@ericrieselFounder/CTO · 83 SciencesS26Industrials · San Francisco
- Ian NaccarellaFounder/CEO · 83 SciencesS26Industrials · San Francisco
- Yankang YangFounder/COO · 83 SciencesS26Industrials · San Francisco
- Ross Centers@rosscentersFounder/CEO · Ethos Space ResourcesS26Industrials · Los Angeles
- Samuel LadroueFounder/CEO · NetterX26B2B · Paris
- Dennis Sun@mezarqueFounder/CEO · Ditto BiosciencesW26Healthcare · San Francisco
- Dan Han@thisisdanhanFounder/CEO · Aleph LabF25Consumer · San Francisco
- Jaihee KimFounder · Aleph LabF25Consumer · San Francisco
- Ayaan ParikhFounder/CEO · ConvexiaS25Healthcare · San Francisco
- Rahul VijayanFounder/CTO · ConvexiaS25Healthcare · San Francisco
- Berkley NobleFounder/CTO · DuraniumS25Industrials · San Francisco
- Brenden Prins-McKinneyFounder/CEO · DuraniumS25Industrials · San Francisco
- Sebastian Crossa@sebcrossaFounder · LLM StatsS25B2B · New York
- Rohan Sharma@r9a_coFounder/CEO · SerafisS25B2B · San Francisco
- Om AgarwalFounder/CTO · MinervaX25B2B · San Francisco
- Peter ZhuFounder/CEO · MinervaX25B2B · San Francisco
- Rami Seid@rami_mmoFounder/CTO · LucidW25Consumer · San Francisco
- Sejoon Chang@sejoonchangFounder/COO · NitrodeW25B2B · San Francisco
- Bella Wu@bellacwuFounder/CEO · DexterF24B2B · Berlin
- Caterina KiehntopfFounder/COO · DexterF24B2B · Berlin
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Eric Riesel83 SciencesFounder/CTOSummer 2026IndustrialsSan Francisco, United States3https://x.com/ericrieselIan Naccarella83 SciencesFounder/CEOSummer 2026IndustrialsSan Francisco, United States3—Yankang Yang83 SciencesFounder/COOSummer 2026IndustrialsSan Francisco, United States3—Ross CentersEthos Space ResourcesFounder/CEOSummer 2026IndustrialsLos Angeles, United States2https://x.com/rosscentersSamuel LadroueNetterFounder/CEOSpring 2026B2BParis, France4—Dennis SunDitto BiosciencesFounder/CEOWinter 2026HealthcareSan Francisco, United States3https://x.com/mezarqueDan HanAleph LabFounder/CEOFall 2025ConsumerSan Francisco, United States2https://x.com/thisisdanhanJaihee KimAleph LabFounderFall 2025ConsumerSan Francisco, United States2—Ayaan ParikhConvexiaFounder/CEOSummer 2025HealthcareSan Francisco, United States4—Rahul VijayanConvexiaFounder/CTOSummer 2025HealthcareSan Francisco, United States4—Berkley NobleDuraniumFounder/CTOSummer 2025IndustrialsSan Francisco, United States12—Brenden Prins-McKinneyDuraniumFounder/CEOSummer 2025IndustrialsSan Francisco, United States12—Sebastian CrossaLLM StatsFounderSummer 2025B2BNew York, United States2https://x.com/sebcrossaRohan SharmaSerafisFounder/CEOSummer 2025B2BSan Francisco, United States4https://x.com/r9a_coOm AgarwalMinervaFounder/CTOSpring 2025B2BSan Francisco, United States5—Peter ZhuMinervaFounder/CEOSpring 2025B2BSan Francisco, United States5—Rami SeidLucidFounder/CTOWinter 2025ConsumerSan Francisco, United States3https://x.com/rami_mmoSejoon ChangNitrodeFounder/COOWinter 2025B2BSan Francisco, United States10https://x.com/sejoonchangBella WuDexterFounder/CEOFall 2024B2BBerlin, Germany3https://x.com/bellacwuCaterina KiehntopfDexterFounder/COOFall 2024B2BBerlin, Germany3—
Showing 1–20 of 64 founders
Sebastian Crossa
Founder·LLM Stats
PRIMARY INFO
RoleFounder· not in title
Team size2
BatchSummer 2025
LocationNew York, United States
Company statusActive
StageEarly
BIO
Co-Founder @ LLM Stats. Previous founding engineer at Micro building the future of email (backed by a16z), as well as founding engineer at Atrato Pago (W21). Formerly built and scaled Minecraft servers during my spare time during highschool.
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
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
LLM StatsIndependent AI evaluations lab
Co-foundersJonathan Chávez@pirchavez
