Founder Directory
Built by Keitoto
Founders25
Known for these resultsRole36%Role is parsed from founder titles in yc.db. Known for 36% 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.Bio100%Bio coverage: 100% 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-company100%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 100% of these rows have at least one match.School40%School is matched from bios, case-sensitive for acronyms. 40% of these rows have at least one match.
- Kunal Roy@princeofbothellFounder · DomeF25B2B
- Daniel KanFounder/CEO · Fifth DoorF25Consumer · San Francisco
- Sebastian FischerFounder/CEO · WardstoneF25Industrials · Los Angeles
- Nick AmoreFounder/CEO · IronLedger.aiS25Real Estate and Construction · New York
- Satya Vasanth Tumati@SirWitWitFounder/CTO · Socratix AIS25B2B · San Francisco
- Daniel Bulhosa Solorzano@danielbulhosaFounder · VariantF24B2B · San Francisco
- Kevin ChuFounder/CTO · Hestus, Inc.S24B2B · San Francisco
- Sohrab HaghighatFounder/CEO · Hestus, Inc.S24B2B · San Francisco
- Richard He@realrichomieFounder/CEO · OpenmartW24B2B · San Francisco
- Ellen HuiFounder · ThorntaleW24B2B · San Francisco
- Dmitry IlyevskyFounder · ApoxyS23B2B
- Ben Reinhart@benjreinhartFounder · MochaS23B2B · San Francisco
- Justin LederFounder · TurntableW23B2B · New York
- Emmanuel Turlay@neutralino1Founder · Airtrain AIS22B2B · San Francisco
- Reza Azizian@Azizian_RezaFounder · FerveretS21Industrials · San Francisco
- Garrison BellackFounder · DreamWorldW21Consumer · San Francisco
- Peter Gao@pgaoooFounder · Aquarium LearningS20B2B · San Francisco
- Quinn JohnsonFounder · Aquarium LearningS20B2B · San Francisco
- Tom GellatlyFounder · CentaurW19Healthcare · Boston
- Sohrab HaghighatFounder · SpaceRydeW19Industrials · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Kunal RoyDomeFounderFall 2025B2BUnknown2https://x.com/princeofbothellDaniel KanFifth Door3× YCFounder/CEOFall 2025ConsumerSan Francisco, United States3—Sebastian FischerWardstoneFounder/CEOFall 2025IndustrialsLos Angeles, United States8—Nick AmoreIronLedger.aiFounder/CEOSummer 2025Real Estate and ConstructionNew York, United States——Satya Vasanth TumatiSocratix AIFounder/CTOSummer 2025B2BSan Francisco, United States4https://x.com/SirWitWitDaniel Bulhosa SolorzanoVariantFounderFall 2024B2BSan Francisco, United States5https://x.com/danielbulhosaKevin ChuHestus, Inc.Founder/CTOSummer 2024B2BSan Francisco, United States3—Sohrab HaghighatHestus, Inc.2× YCFounder/CEOSummer 2024B2BSan Francisco, United States3—Richard HeOpenmartFounder/CEOWinter 2024B2BSan Francisco, United States6https://x.com/realrichomieEllen HuiThorntaleFounderWinter 2024B2BSan Francisco, United States2—Dmitry IlyevskyApoxyFounderSummer 2023B2BUnknown2—Ben ReinhartMochaFounderSummer 2023B2BSan Francisco, United States7https://x.com/benjreinhartJustin LederTurntableFounderWinter 2023B2BNew York, United States3—Emmanuel TurlayAirtrain AIFounderSummer 2022B2BSan Francisco, United States5https://x.com/neutralino1Reza AzizianFerveretFounderSummer 2021IndustrialsSan Francisco, United States16https://x.com/Azizian_RezaGarrison BellackDreamWorldFounderWinter 2021ConsumerSan Francisco, United States30—Peter GaoAquarium LearningFounderSummer 2020B2BSan Francisco, United States12https://x.com/pgaoooQuinn JohnsonAquarium LearningFounderSummer 2020B2BSan Francisco, United States12—Tom GellatlyCentaurFounderWinter 2019HealthcareBoston, United States45—Sohrab HaghighatSpaceRyde2× YCFounderWinter 2019IndustrialsSan Francisco, United States33—
Showing 1–20 of 25 founders
Sebastian Fischer
Founder/CEO·Wardstone
PRIMARY INFO
RoleFounder/CEO
Team size8
BatchFall 2025
LocationLos Angeles, United States
Company statusActive
StageEarly
BIO
I am the cofounder & CEO of Wardstone, a missile defense company building modular interceptors to defend the U.S. and its allies from air-breathing and ballistic missiles. I have 11+ years of engineering and product experience in satellites, drones, and self-driving cars. I held leadership roles at Amazon Prime Air and Cruise Self-Driving and previously worked at Lockheed Martin and NASA on Planetary Spacecraft. I studied Aerospace Engineering at MIT and did a dual MS/MBA degree at Harvard.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsMBA
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
