Founder Directory
Built by Keitoto
Founders2
Known for these resultsRole100%Role is parsed from founder titles in yc.db. Known for 100% 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-company50%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 50% of these rows have at least one match.School100%School is matched from bios, case-sensitive for acronyms. 100% of these rows have at least one match.
- Sebastian FischerFounder/CEO · WardstoneF25Industrials · Los Angeles
- Tobias FischerFounder/CTO · WardstoneF25Industrials · Los Angeles
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Sebastian FischerWardstoneFounder/CEOFall 2025IndustrialsLos Angeles, United States8—Tobias FischerWardstoneFounder/CTOFall 2025IndustrialsLos Angeles, United States8—Showing 1–2 of 2 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