Founder Directory
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Founders3
Known for these resultsRole100%Role is parsed from founder titles in yc.db. Known for 100% 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-company67%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 67% 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.
- Eric Riesel@ericrieselFounder/CTO · 83 SciencesS26Industrials · San Francisco
- Ian NaccarellaFounder/CEO · 83 SciencesS26Industrials · San Francisco
- Yankang YangFounder/COO · 83 SciencesS26Industrials · San Francisco
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—Showing 1–3 of 3 founders
Ian Naccarella
Founder/CEO·83 Sciences
PRIMARY INFO
RoleFounder/CEO
Team size3
BatchSummer 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Founder at 83 Sciences developing the future of scientific discovery. Previously a fellow at MIT focused on commercializing IP out of the ecosystem, a strategy manager at Sila Nanotechnologies (battery materials unicorn), and a consultant at Boston Consulting Group. Hold a BS and MS in Chemical Engineering from Stanford and MBA from Harvard Business School.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsMBA
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
AI-native materials discovery powered by unpublished experimental data
IndustryIndustrials
Website83sciences.ai
Team size3
LocationSan Francisco, United States
BatchSummer 2026