Founder Directory
Built by Keitoto
Founders15
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.Bio60%Bio coverage: 60% 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-company27%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 27% of these rows have at least one match.School47%School is matched from bios, case-sensitive for acronyms. 47% 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
- Aarin JhaveriFounder/CEO · KaraS26Industrials · San Francisco
- Anuveer ChadhaFounder · KaraS26Industrials · San Francisco
- Berkley NobleFounder/CTO · DuraniumS25Industrials · San Francisco
- Brenden Prins-McKinneyFounder/CEO · DuraniumS25Industrials · San Francisco
- Birgitt Boschitsch@birgittmbFounder · spotLESS MaterialsS19Industrials · State College
- Tak-Sing WongFounder · spotLESS MaterialsS19Industrials · State College
- Drew ReidFounder · Maple MaterialsW19Industrials · San Francisco
- Chong ShenFounder · AlchemyS14Industrials · Waterloo
- Khanjan DesaiFounder · AlchemyS14Industrials · Waterloo
- Brian MartinezFounder · MadeSolidW14Industrials · Emeryville
- David RorexFounder/CTO · MadeSolidW14Industrials · Emeryville
- Lance R. PickensFounder · MadeSolidW14Industrials · Emeryville
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—Aarin JhaveriKaraFounder/CEOSummer 2026IndustrialsSan Francisco, United States3—Anuveer ChadhaKaraFounderSummer 2026IndustrialsSan Francisco, United States3—Berkley NobleDuraniumFounder/CTOSummer 2025IndustrialsSan Francisco, United States12—Brenden Prins-McKinneyDuraniumFounder/CEOSummer 2025IndustrialsSan Francisco, United States12—Birgitt BoschitschspotLESS MaterialsFounderSummer 2019IndustrialsState College, United States6https://x.com/birgittmbTak-Sing WongspotLESS MaterialsFounderSummer 2019IndustrialsState College, United States6—Drew ReidMaple MaterialsFounderWinter 2019IndustrialsSan Francisco, United States6—Chong ShenAlchemyFounderSummer 2014IndustrialsWaterloo, Canada25—Khanjan DesaiAlchemyFounderSummer 2014IndustrialsWaterloo, Canada25—Brian MartinezMadeSolidFounderWinter 2014IndustrialsEmeryville, United States2—David RorexMadeSolidFounder/CTOWinter 2014IndustrialsEmeryville, United States2—Lance R. PickensMadeSolidFounderWinter 2014IndustrialsEmeryville, United States2—
Showing 1–15 of 15 founders
Berkley Noble
Founder/CTO·Duranium
PRIMARY INFO
RoleFounder/CTO
Team size12
BatchSummer 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Co-founder & CTO of Duranium, working to reshore critical metal production. My expertise lies in molten-salt electrolysis. I hold a a patent for an electrochemical metal cell and built the only U.S. pilot magnesium electrolyzer in the last 20+ years.
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
DuraniumReshoring critical metal production
IndustryIndustrials
Websiteduranium.co/
Team size12
X—
LocationSan Francisco, United States
BatchSummer 2025
Co-foundersBrenden Prins-McKinney
