Founder Directory
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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
Yankang Yang
Founder/COO·83 Sciences
PRIMARY INFO
RoleFounder/COO
Team size3
BatchSummer 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Founder at 83 Sciences. Former BCG Principal; led the firm's AI program scaling tools and AI practices to 30,000+ users globally. Harvard CS & EE undergrad. Past robotics research (Wyss Institute) and biosignals research (Roswell Park) experience
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
First YC company on record
COMPANY CONTEXT
83 Sciences
AI-native materials discovery powered by unpublished experimental data
IndustryIndustrials
Website83sciences.ai
Team size3
LocationSan Francisco, United States
BatchSummer 2026
