Founder Directory
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Founders28
Known for these resultsRole57%Role is parsed from founder titles in yc.db. Known for 57% 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.Bio79%Bio coverage: 79% 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-company14%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 14% of these rows have at least one match.School36%School is matched from bios, case-sensitive for acronyms. 36% of these rows have at least one match.
- Joohyun (CJ) ChaFounder/CEO · Dawn IndustriesS26Industrials · San Francisco
- Matthew Chow@mattchowxFounder/CEO · TropeS26B2B · San Francisco
- Kaahan Radia@kradismeFounder/CTO · Keyframe LabsX26B2B · San Francisco
- Zinny WeliFounder/CEO · RoboDockW26Industrials · San Francisco
- Josh Kelly@JoshAKellyFounder/CEO · Pave RoboticsW25Industrials · San Francisco
- Fernando San MartinFounder/CTO · ThymeS24B2B · San Francisco
- Ferhat Babacan@ferhaatbabacaanFounder · BluedotW23Fintech · San Francisco
- Selinay Parlak@selinayfilizpFounder · BluedotW23Fintech · San Francisco
- Clark JacobsFounder · FlexDeskW23B2B · New York
- Gabriel SaruhashiFounder · Emerge CareerS22Education · New York
- Alok Kumar@ak_cozmoFounder/CEO · Cozmo AIW22B2B · San Francisco
- Nuha HashemFounder/CTO · Cozmo AIW22B2B · San Francisco
- Lu ChengFounder · ZipS20B2B · San Francisco
- Rujul ZapardeFounder · ZipS20B2B · San Francisco
- Andre BernardesFounder · ZippiS19Fintech · São Paulo
- Bruno LucasFounder · ZippiS19Fintech · São Paulo
- Ludmila PontremolezFounder · ZippiS19Fintech · São Paulo
- James Steinberg@darefailedFounder/Managing Director · ZipXW17Consumer · New York
- Osman MendozaFounder/CEO · ZipXW17Consumer · New York
- Tiffany Chu@tchu88Founder/CEO · RemixW15Government · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Joohyun (CJ) ChaDawn IndustriesFounder/CEOSummer 2026IndustrialsSan Francisco, United States2—Matthew ChowTropeFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/mattchowxKaahan RadiaKeyframe LabsFounder/CTOSpring 2026B2BSan Francisco, United States2https://x.com/kradismeZinny WeliRoboDockFounder/CEOWinter 2026IndustrialsSan Francisco, United States3—Josh KellyPave RoboticsFounder/CEOWinter 2025IndustrialsSan Francisco, United States3https://x.com/JoshAKellyFernando San MartinThymeFounder/CTOSummer 2024B2BSan Francisco, United States2—Ferhat BabacanBluedotFounderWinter 2023FintechSan Francisco, United States15https://x.com/ferhaatbabacaanSelinay ParlakBluedotFounderWinter 2023FintechSan Francisco, United States15https://x.com/selinayfilizpClark JacobsFlexDeskFounderWinter 2023B2BNew York, United States8—Gabriel SaruhashiEmerge CareerFounderSummer 2022EducationNew York, United States8—Alok KumarCozmo AIFounder/CEOWinter 2022B2BSan Francisco, United States5https://x.com/ak_cozmoNuha HashemCozmo AIFounder/CTOWinter 2022B2BSan Francisco, United States5—Lu ChengZipFounderSummer 2020B2BSan Francisco, United States500—Rujul ZapardeZip2× YCFounderSummer 2020B2BSan Francisco, United States500—Andre BernardesZippiFounderSummer 2019FintechSão Paulo, Brazil60—Bruno LucasZippiFounderSummer 2019FintechSão Paulo, Brazil60—Ludmila PontremolezZippiFounderSummer 2019FintechSão Paulo, Brazil60—James SteinbergZipX2× YCFounder/Managing DirectorWinter 2017ConsumerNew York, United States1https://x.com/darefailedOsman MendozaZipXFounder/CEOWinter 2017ConsumerNew York, United States1—Tiffany ChuRemixFounder/CEOWinter 2015GovernmentSan Francisco, United States65https://x.com/tchu88
Showing 1–20 of 28 founders
James Steinberg
Founder·Shotput
PRIMARY INFO
RoleFounder· not in title
Team size2
BatchSummer 2015
LocationSan Francisco, United States
Company statusInactive
StageEarly
BIO
Darefail.com Building AI & Robots in Public
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
Disciplinenot detectedKeyword match from the bio text, not a classifier.
TRACK RECORD
2× YC founderVerified prior exit
- S15ShotputInactive · this entry
- W17ZipXAcquired
COMPANY CONTEXT
SShotput
InactiveShotput (S15) develops AI and robotics to completely automate…
Co-foundersPraful Mathur@prafulfillment
