Founder Directory
Built by Keitoto
Founders149
Known for these resultsRole54%Role is parsed from founder titles in yc.db. Known for 54% 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.Bio96%Bio coverage: 96% 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.School42%School is matched from bios, case-sensitive for acronyms. 42% of these rows have at least one match.
- Aditya MittalFounder/CEO · RoteW27B2B · San Francisco
- Gabriel Castillo@GabrielCasHeFounder/CTO · RoteW27B2B · San Francisco
- Joanathan McIntosh@joanathanlmcFounder/CEO · Billow AI LabsS26B2B · San Francisco
- Philip MoniagaFounder/CTO · Billow AI LabsS26B2B · San Francisco
- Akshay Mistry@akshaymistry8Founder · ChromieS26B2B · San Francisco
- Ananth Sankaralingam@_ananthhhFounder/CEO · ChromieS26B2B · San Francisco
- Jack GrodnickFounder/CTO · Control SeatS26Industrials · San Francisco
- Warren Shepard@warrren_shepardFounder/CEO · Control SeatS26Industrials · San Francisco
- David Shijoon BaeFounder/CEO · FlowManualS26Real Estate and Construction · San Francisco
- Michael Lin@immichaellinFounder/CTO · FlowManualS26Real Estate and Construction · San Francisco
- David PastewkaFounder · MarkerS26B2B · San Francisco
- Richard BerwickFounder · MarkerS26B2B · San Francisco
- Will Drevno@WillDrevnoFounder · MarkerS26B2B · San Francisco
- Francisco Dias@ffrandiasFounder/CTO · NexS26B2B · San Francisco
- Najmuzzaman (Nazz) Mohammad@najmuzzamanFounder/CEO · NexS26B2B · San Francisco
- Shelden ShiFounder/CTO · OpenTagS26B2B · San Francisco
- Tony Kam@kamikariatFounder/CEO · OpenTagS26B2B · San Francisco
- Matthew WongFounder/CEO · Poth LabsS26B2B · San Francisco
- Mojmir HorvathFounder · Poth LabsS26B2B · San Francisco
- Arthur De Los Santos@_arthurdls_Founder/CTO · RindlerS26B2B · Boston
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Aditya MittalRoteFounder/CEOWinter 2027B2BSan Francisco, United States0—Gabriel CastilloRoteFounder/CTOWinter 2027B2BSan Francisco, United States0https://x.com/GabrielCasHeJoanathan McIntoshBillow AI LabsFounder/CEOSummer 2026B2BSan Francisco, United States0https://x.com/joanathanlmcPhilip MoniagaBillow AI LabsFounder/CTOSummer 2026B2BSan Francisco, United States0—Akshay MistryChromieFounderSummer 2026B2BSan Francisco, United States2https://x.com/akshaymistry8Ananth SankaralingamChromieFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/_ananthhhJack GrodnickControl SeatFounder/CTOSummer 2026IndustrialsSan Francisco, United States2—Warren ShepardControl SeatFounder/CEOSummer 2026IndustrialsSan Francisco, United States2https://x.com/warrren_shepardDavid Shijoon BaeFlowManualFounder/CEOSummer 2026Real Estate and ConstructionSan Francisco, United States2—Michael LinFlowManualFounder/CTOSummer 2026Real Estate and ConstructionSan Francisco, United States2https://x.com/immichaellinDavid PastewkaMarker2× YCFounderSummer 2026B2BSan Francisco, United States3—Richard BerwickMarker2× YCFounderSummer 2026B2BSan Francisco, United States3—Will DrevnoMarker2× YCFounderSummer 2026B2BSan Francisco, United States3https://x.com/WillDrevnoFrancisco DiasNexFounder/CTOSummer 2026B2BSan Francisco, United States5https://x.com/ffrandiasNajmuzzaman (Nazz) MohammadNexFounder/CEOSummer 2026B2BSan Francisco, United States5https://x.com/najmuzzamanShelden ShiOpenTag2× YCFounder/CTOSummer 2026B2BSan Francisco, United States3—Tony KamOpenTag2× YCFounder/CEOSummer 2026B2BSan Francisco, United States3https://x.com/kamikariatMatthew WongPoth LabsFounder/CEOSummer 2026B2BSan Francisco, United States2—Mojmir HorvathPoth LabsFounderSummer 2026B2BSan Francisco, United States2—Arthur De Los SantosRindlerFounder/CTOSummer 2026B2BBoston, United States2https://x.com/_arthurdls_
Showing 1–20 of 149 founders
David Pastewka
Founder·Marker
PRIMARY INFO
RoleFounder· not in title
Team size3
BatchSummer 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Co-founder of Marker. Previously co-founded Drapr (S20), acquired by Gap Inc. UC Berkeley, Business & Computer Science.
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
2× YC founderVerified prior exitSerial founder · self-declaredExit mentioned in bio
- S20DraprAcquired
- S26MarkerActive · this entry
COMPANY CONTEXT
MarkerPlatform and FDEs for rebuilding businesses agent-first
Also founded · 1 more YC company
DraprAcquiredSummer 2020Try on clothing online
ConsumerSan Francisco, United States7Open this entry
