Founder Directory
Built by Keitoto
Founders243
Known for these resultsRole41%Role is parsed from founder titles in yc.db. Known for 41% 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.Bio88%Bio coverage: 88% 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-company30%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 30% of these rows have at least one match.School33%School is matched from bios, case-sensitive for acronyms. 33% of these rows have at least one match.
- Zachary Yu@thezacharyyuFounder/CEO · BelvedirS26B2B · San Francisco
- Jacob ChiaFounder/CTO · EvergroveS26Healthcare · New York
- Sid Unnithan@SidUnnithanFounder · EvergroveS26Healthcare · New York
- Marcus Lima@MarcusLimaGNFounder/CEO · TorusS26Industrials · San Francisco
- Rahul ThayilFounder/CTO · TorusS26Industrials · San Francisco
- Angelica Kosasih@aka_kosasihFounder/CTO · WonderingS26Consumer · San Francisco
- Cheng-Wei Hu@HcwXdFounder/CEO · WonderingS26Consumer · San Francisco
- Efrain Torres@ET_adialanteFounder/CEO · AdialanteX26Healthcare · San Francisco
- Parker JenkinsFounder/COO · AdialanteX26Healthcare · San Francisco
- Robert HouFounder/CEO · AlchemizeX26B2B · San Francisco
- Samuel Fu@samuelsfuFounder/CTO · AlchemizeX26B2B · San Francisco
- Tony Chang@tonychang430Founder · InsForgeX26B2B · San Francisco
- Hamza Al-Ali@hamzawy998Founder/CEO · Playabl.aiX26Consumer · San Francisco
- Jerry YaoFounder/CPO · SaffronX26B2B · San Francisco
- Kazuma ChojiFounder/CTO · SaffronX26B2B · San Francisco
- Robert Chondro@roblukanFounder/CEO · SaffronX26B2B · San Francisco
- Edward Haryono@edwardharyono_Founder/CEO · Saudara AIX26B2B · San Francisco
- Jennifer Prasetyo@jenandtech_Founder/CTO · Saudara AIX26B2B · San Francisco
- Aum Upadhyay@aumup001Founder/CEO · SilmarilX26B2B · San Francisco
- Eduardo Velasco@EduardoVel36291Founder/CTO · SilmarilX26B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Zachary YuBelvedirFounder/CEOSummer 2026B2BSan Francisco, United States1https://x.com/thezacharyyuJacob ChiaEvergroveFounder/CTOSummer 2026HealthcareNew York, United States2—Sid UnnithanEvergroveFounderSummer 2026HealthcareNew York, United States2https://x.com/SidUnnithanMarcus LimaTorus2× YCFounder/CEOSummer 2026IndustrialsSan Francisco, United States6https://x.com/MarcusLimaGNRahul ThayilTorusFounder/CTOSummer 2026IndustrialsSan Francisco, United States6—Angelica KosasihWonderingFounder/CTOSummer 2026ConsumerSan Francisco, United States2https://x.com/aka_kosasihCheng-Wei HuWonderingFounder/CEOSummer 2026ConsumerSan Francisco, United States2https://x.com/HcwXdEfrain TorresAdialanteFounder/CEOSpring 2026HealthcareSan Francisco, United States4https://x.com/ET_adialanteParker JenkinsAdialanteFounder/COOSpring 2026HealthcareSan Francisco, United States4—Robert HouAlchemizeFounder/CEOSpring 2026B2BSan Francisco, United States2—Samuel FuAlchemizeFounder/CTOSpring 2026B2BSan Francisco, United States2https://x.com/samuelsfuTony ChangInsForgeFounderSpring 2026B2BSan Francisco, United States6https://x.com/tonychang430Hamza Al-AliPlayabl.aiFounder/CEOSpring 2026ConsumerSan Francisco, United States10https://x.com/hamzawy998Jerry YaoSaffronFounder/CPOSpring 2026B2BSan Francisco, United States3—Kazuma ChojiSaffronFounder/CTOSpring 2026B2BSan Francisco, United States3—Robert ChondroSaffronFounder/CEOSpring 2026B2BSan Francisco, United States3https://x.com/roblukanEdward HaryonoSaudara AIFounder/CEOSpring 2026B2BSan Francisco, United States2https://x.com/edwardharyono_Jennifer PrasetyoSaudara AIFounder/CTOSpring 2026B2BSan Francisco, United States2https://x.com/jenandtech_Aum UpadhyaySilmarilFounder/CEOSpring 2026B2BSan Francisco, United States2https://x.com/aumup001Eduardo VelascoSilmarilFounder/CTOSpring 2026B2BSan Francisco, United States2https://x.com/EduardoVel36291
Showing 1–20 of 243 founders
Jerry Yao
Founder/CPO·Saffron
PRIMARY INFO
RoleFounder/CPO
Team size3
BatchSpring 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Building AI-native technical assessments Prev. CS + math @ Stanford
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
Disciplinenot detectedKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
SaffronHelping your company find 10x engineers.
