Founder Directory
Built by Keitoto
Founders498
Known for these resultsRole45%Role is parsed from founder titles in yc.db. Known for 45% 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.Bio83%Bio coverage: 83% 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-company26%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 26% of these rows have at least one match.School25%School is matched from bios, case-sensitive for acronyms. 25% of these rows have at least one match.
- Joohyun (CJ) ChaFounder/CEO · Dawn IndustriesS26Industrials · San Francisco
- Robin LeeFounder/CTO · Dawn IndustriesS26Industrials · San Francisco
- Alexander HalpernFounder · DreamS26B2B · San Francisco
- Ryland Birchmeier@rylandbirchFounder · DreamS26B2B · San Francisco
- Nikos Dritsakos@nikos1Founder/CEO · GlenS26B2B · San Francisco
- Karan RainaFounder/CTO · HyperProbeS26B2B · San Francisco
- Shailendra SinghFounder/CEO · HyperProbeS26B2B · San Francisco
- Claire Mao@clairemao78Founder/CEO · InstanceS26B2B · San Francisco
- Lucy Cai@LucyCai9Founder/CTO · InstanceS26B2B · San Francisco
- Shelden ShiFounder/CTO · OpenTagS26B2B · San Francisco
- Tony Kam@kamikariatFounder/CEO · OpenTagS26B2B · San Francisco
- Andrey GizdovFounder/CEO · OpenVectorS26B2B · San Francisco
- Vishal Urlam@vishalurlamFounder · OpenVectorS26B2B · San Francisco
- Anish Mariathasan@mariathasanishFounder/CEO · OsseusS26B2B
- Ayush PatelFounder/CTO · OsseusS26B2B
- Emily Colman@emilyrcolmanFounder · RonanRx Inc.S26Healthcare · San Francisco
- Lloyd Armbrust@larmbrustFounder/CEO · RonanRx Inc.S26Healthcare · San Francisco
- Ahmad IbrahimFounder/CTO · TryNearbyS26B2B · Los Angeles
- Obaida AlbaroudiFounder/COO · TryNearbyS26B2B · Los Angeles
- Yousef Abdelfattah@fazeapexFounder/CEO · TryNearbyS26B2B · Los Angeles
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Joohyun (CJ) ChaDawn IndustriesFounder/CEOSummer 2026IndustrialsSan Francisco, United States2—Robin LeeDawn IndustriesFounder/CTOSummer 2026IndustrialsSan Francisco, United States2—Alexander HalpernDreamFounderSummer 2026B2BSan Francisco, United States2—Ryland BirchmeierDreamFounderSummer 2026B2BSan Francisco, United States2https://x.com/rylandbirchNikos DritsakosGlenFounder/CEOSummer 2026B2BSan Francisco, United States1https://x.com/nikos1Karan RainaHyperProbeFounder/CTOSummer 2026B2BSan Francisco, United States8—Shailendra SinghHyperProbeFounder/CEOSummer 2026B2BSan Francisco, United States8—Claire MaoInstanceFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/clairemao78Lucy CaiInstanceFounder/CTOSummer 2026B2BSan Francisco, United States2https://x.com/LucyCai9Shelden ShiOpenTag2× YCFounder/CTOSummer 2026B2BSan Francisco, United States3—Tony KamOpenTag2× YCFounder/CEOSummer 2026B2BSan Francisco, United States3https://x.com/kamikariatAndrey GizdovOpenVectorFounder/CEOSummer 2026B2BSan Francisco, United States4—Vishal UrlamOpenVectorFounderSummer 2026B2BSan Francisco, United States4https://x.com/vishalurlamAnish MariathasanOsseusFounder/CEOSummer 2026B2BUnknown2https://x.com/mariathasanishAyush PatelOsseusFounder/CTOSummer 2026B2BUnknown2—Emily ColmanRonanRx Inc.FounderSummer 2026HealthcareSan Francisco, United States5https://x.com/emilyrcolmanLloyd ArmbrustRonanRx Inc.2× YCFounder/CEOSummer 2026HealthcareSan Francisco, United States5https://x.com/larmbrustAhmad IbrahimTryNearbyFounder/CTOSummer 2026B2BLos Angeles, United States5—Obaida AlbaroudiTryNearbyFounder/COOSummer 2026B2BLos Angeles, United States5—Yousef AbdelfattahTryNearbyFounder/CEOSummer 2026B2BLos Angeles, United States5https://x.com/fazeapex
Showing 1–20 of 498 founders
Alexander Halpern
Founder·Dream
PRIMARY INFO
RoleFounder· not in title
Team size2
BatchSummer 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Alexander Halpern is Co-founder of Dream (YC S26), building pocket-sized, battery-powered AI cameras that automatically capture assets and catch damage teams miss at car dealerships, equipment rental companies, and more. Previously, Alexander built agents for AWS Marketplace and trained models for edge computing cameras deployed across Africa and India to detect poachers hunting endangered wild cats at Panthera. He studied computer science at the University of Virginia.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
