Founder Directory
Built by Keitoto
Founders14
Known for these resultsRole71%Role is parsed from founder titles in yc.db. Known for 71% 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.Bio86%Bio coverage: 86% 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-company36%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 36% of these rows have at least one match.School21%School is matched from bios, case-sensitive for acronyms. 21% of these rows have at least one match.
- Saksham Aggarwal@sxmawlFounder/CEO · CardboardW26B2B · San Francisco
- Abhilash Thulaseedharan@abhilashtdharanFounder · Castled.ioW22B2B · Bengaluru
- Arun ThulasidharanFounder · Castled.ioW22B2B · Bengaluru
- Franklin GeorgeFounder · Castled.ioW22B2B · Bengaluru
- Manish Singh@_manish_sFounder · Castled.ioW22B2B · Bengaluru
- Johan BrissmyrFounder/CEO · CastleW16B2B · San Francisco
- Max Nussenbaum@maxnussFounder/CEO · CastleW16Real Estate and Construction · Detroit
- Scott LoweFounder/CTO · CastleW16Real Estate and Construction · Detroit
- Sebastian WallinFounder/CTO · CastleW16B2B · San Francisco
- Tim Dingman@timdingmanliveFounder/COO · CastleW16Real Estate and Construction · Detroit
- Nick Winter@nwinterFounder/CEO · CodeCombatW14Education · Seattle
- Brian Chesky@bcheskyFounder/CEO · AirbnbW09Consumer · San Francisco
- Joe Gebbia@jgebbiaFounder/CPO · AirbnbW09Consumer · San Francisco
- Nathan Blecharczyk@nathanblecFounder/CTO · AirbnbW09Consumer · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Saksham AggarwalCardboardFounder/CEOWinter 2026B2BSan Francisco, United States5https://x.com/sxmawlAbhilash ThulaseedharanCastled.ioFounderWinter 2022B2BBengaluru, India8https://x.com/abhilashtdharanArun ThulasidharanCastled.ioFounderWinter 2022B2BBengaluru, India8—Franklin GeorgeCastled.ioFounderWinter 2022B2BBengaluru, India8—Manish SinghCastled.ioFounderWinter 2022B2BBengaluru, India8https://x.com/_manish_sJohan BrissmyrCastleFounder/CEOWinter 2016B2BSan Francisco, United States20—Max NussenbaumCastleFounder/CEOWinter 2016Real Estate and ConstructionDetroit, United States11https://x.com/maxnussScott LoweCastleFounder/CTOWinter 2016Real Estate and ConstructionDetroit, United States11—Sebastian WallinCastleFounder/CTOWinter 2016B2BSan Francisco, United States20—Tim DingmanCastleFounder/COOWinter 2016Real Estate and ConstructionDetroit, United States11https://x.com/timdingmanliveNick WinterCodeCombatFounder/CEOWinter 2014EducationSeattle, United States45https://x.com/nwinterBrian CheskyAirbnbFounder/CEOWinter 2009ConsumerSan Francisco, United States6132https://x.com/bcheskyJoe GebbiaAirbnbFounder/CPOWinter 2009ConsumerSan Francisco, United States6132https://x.com/jgebbiaNathan BlecharczykAirbnbFounder/CTOWinter 2009ConsumerSan Francisco, United States6132https://x.com/nathanblec
Showing 1–14 of 14 founders
Ishan Sharma
Founder/CTO·Cardboard
PRIMARY INFO
RoleFounder/CTO
Team size5
BatchWinter 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Ishan Sharma is the founder of Cardboard (W26). He is a full-stack engineer with deep experience in high-performance web systems, creative tooling, and applied AI. Previously, he spent ~4.5 years at HackerRank (S11), where he led multiple 0→1 products used by millions. He started programming in 6th grade and built a Windows app in school that crossed 5.7M+ downloads and was featured on CNET and Softonic
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
Cardboard
Agentic video editor
Co-foundersSaksham Aggarwal@sxmawl
