Founder Directory
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Founders434
Known for these resultsRole51%Role is parsed from founder titles in yc.db. Known for 51% 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-company36%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 36% of these rows have at least one match.School100%School is matched from bios, case-sensitive for acronyms. 100% of these rows have at least one match.
- Ian NaccarellaFounder/CEO · 83 SciencesS26Industrials · San Francisco
- Shaurnav GhoshFounder/CTO · AssembleS26B2B · San Francisco
- Shrish Janarthanan@shrishj5Founder/COO · AssembleS26B2B · San Francisco
- Oscar AguilarFounder/CTO · BizmarkS26B2B · San Francisco
- Alex Southmayd@alexsouthmaydFounder/CEO · BloomyS26Education · San Francisco
- Mike Molinet@mikemolinetFounder/CEO · DockS26B2B · San Francisco
- Alina Park@olenyaparkFounder/CEO · Ekho LabsS26B2B · New York
- Govind Chada@govindchadaFounder/CTO · EnactS26Industrials · San Francisco
- James Stevens@jamesw_stevensFounder/CEO · EnactS26Industrials · San Francisco
- An Zhu Liu@an_zhu_liuFounder/CEO · FamiliarS26B2B · Toronto
- Alex YeeFounder/CTO · GrocaloS26Consumer · Los Angeles
- Jordan Zietz@treejordanFounder/CEO · LemonLimeS26B2B · San Francisco
- Jermaine ZhaoFounder/CEO · Libra RoboticsS26Industrials · San Francisco
- Yaojing HuangFounder/COO · Libra RoboticsS26Industrials · San Francisco
- Gabriel Noya@gabrielnoya7Founder/CEO · LyonS26B2B · San Francisco
- Ege Doganay@_doganay_egeFounder/CEO · NeuromorphicS26Industrials · San Francisco
- Michael MarcotteFounder/CEO · Perceptron MLS26B2B · San Francisco
- Matthew WongFounder/CEO · Poth LabsS26B2B · San Francisco
- Marinos Eliades@marinoeliadesFounder/CTO · PrizedS26B2B · San Francisco
- Sanjeev ChauhanFounder/CEO · Synapse SemiconductorS26Industrials · Durham
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Ian Naccarella83 SciencesFounder/CEOSummer 2026IndustrialsSan Francisco, United States3—Shaurnav GhoshAssembleFounder/CTOSummer 2026B2BSan Francisco, United States4—Shrish JanarthananAssembleFounder/COOSummer 2026B2BSan Francisco, United States4https://x.com/shrishj5Oscar AguilarBizmarkFounder/CTOSummer 2026B2BSan Francisco, United States2—Alex SouthmaydBloomyFounder/CEOSummer 2026EducationSan Francisco, United States1https://x.com/alexsouthmaydMike MolinetDockFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/mikemolinetAlina ParkEkho LabsFounder/CEOSummer 2026B2BNew York, United States0https://x.com/olenyaparkGovind ChadaEnactFounder/CTOSummer 2026IndustrialsSan Francisco, United States2https://x.com/govindchadaJames StevensEnactFounder/CEOSummer 2026IndustrialsSan Francisco, United States2https://x.com/jamesw_stevensAn Zhu LiuFamiliarFounder/CEOSummer 2026B2BToronto, Canada7https://x.com/an_zhu_liuAlex YeeGrocaloFounder/CTOSummer 2026ConsumerLos Angeles, United States0—Jordan ZietzLemonLimeFounder/CEOSummer 2026B2BSan Francisco, United States5https://x.com/treejordanJermaine ZhaoLibra RoboticsFounder/CEOSummer 2026IndustrialsSan Francisco, United States2—Yaojing HuangLibra RoboticsFounder/COOSummer 2026IndustrialsSan Francisco, United States2—Gabriel NoyaLyonFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/gabrielnoya7Ege DoganayNeuromorphicFounder/CEOSummer 2026IndustrialsSan Francisco, United States3https://x.com/_doganay_egeMichael MarcottePerceptron MLFounder/CEOSummer 2026B2BSan Francisco, United States2—Matthew WongPoth LabsFounder/CEOSummer 2026B2BSan Francisco, United States2—Marinos EliadesPrizedFounder/CTOSummer 2026B2BSan Francisco, United States2https://x.com/marinoeliadesSanjeev ChauhanSynapse SemiconductorFounder/CEOSummer 2026IndustrialsDurham, United States2—
Showing 1–20 of 434 founders
Eric Riesel
Founder/CTO·83 Sciences
PRIMARY INFO
RoleFounder/CTO
Team size3
BatchSummer 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Founder at 83 Sciences. Experimental chemist and ML researcher with a PhD in inorganic chemistry from MIT, where I built machine learning systems to analyze complex materials data in minutes instead of days. My research spans quantum materials, generative models, and experimental data analysis, including one of the first generative approaches for chemical experimental data. BA in Chemistry from Columbia.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsPhD
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
