Hop Aero
YC S26Los Angeles, US · Founded 2024 · 6 employees · 1 known investors
Hop Aero develops rocket-based cargo delivery systems designed to transport supplies to remote or contested locations at high speeds, primarily serving U.S. military and allied defense applications.
Founders & leadership· Y Combinator alumni (S26)
Hop Aero was founded in 2024 by Jacob Balaj and Matija Milenovic.
JB
Jacob BalajinFounderJacob Balaj has held integration and test engineering roles across multiple aerospace companies, including SpinLaunch, Masten Space Systems, Virgin Orbit, and SpaceX, where he worked on Falcon 9/Heavy systems and booster refurbishment processes. He previously served as avionics quality assurance engineer on MV-22 tiltrotors for the US Marine Corps.
MM
Matija MilenovicinCo-Founder & CEOMatija Milenovic holds an MS in Aerospace Engineering from KTH Stockholm. He founded Porkchop, developing electric propulsion systems for satellites that launched on SpaceX Transporter-3, and previously led engineering teams at Destinus working on supersonic unmanned systems and directed manufacturing operations in Ukraine.
Investors · 1
Frequently asked questions
- What does Hop Aero do?
- Hop Aero develops rocket-based cargo delivery systems designed to transport supplies to remote or contested locations at high speeds, primarily serving U.S. military and allied defense applications.
- Who founded Hop Aero?
- Hop Aero was founded by Jacob Balaj, Matija Milenovic in 2024.
- Who are Hop Aero's investors?
- Hop Aero's investors include Y Combinator.
- Where is Hop Aero headquartered?
- Hop Aero is headquartered in Los Angeles, US.

