Founder Directory
Built by Keitoto
Founders4
Known for these resultsRole75%Role is parsed from founder titles in yc.db. Known for 75% 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-company25%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 25% of these rows have at least one match.School50%School is matched from bios, case-sensitive for acronyms. 50% of these rows have at least one match.
- Jacob BalajFounder/CTO · Hop AeroS26Industrials · Los Angeles
- Matija Milenovic@mat_milenovicFounder/CEO · Hop AeroS26Industrials · Los Angeles
- Sydney KatzFounder/CTO · ValgoW26B2B · San Francisco
- Graham DoigFounder · Seaflight TechnologiesS22Industrials · Sydney
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Jacob BalajHop AeroFounder/CTOSummer 2026IndustrialsLos Angeles, United States6—Matija MilenovicHop AeroFounder/CEOSummer 2026IndustrialsLos Angeles, United States6https://x.com/mat_milenovicSydney KatzValgoFounder/CTOWinter 2026B2BSan Francisco, United States3—Graham DoigSeaflight TechnologiesFounderSummer 2022IndustrialsSydney, Australia4—
Showing 1–4 of 4 founders
Matija Milenovic
Founder/CEO·Hop Aero
PRIMARY INFO
RoleFounder/CEO
Team size6
BatchSummer 2026
LocationLos Angeles, United States
Company statusActive
StageEarly
BIO
Founder at Hop Aero. Previously CEO at porkchop (electric propulsion for satellites), launched on SpaceX Transporter-3, built $400M+ sales pipeline, sold IP. System Engineer at Destinus leading 20+ person team on supersonic UAV. Scaled Ukrainian loitering munition production from 10 to 100+ units/month. MS Aerospace Engineering KTH Stockholm.
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
First YC company on record
