John Andrzejewski
COO and co-founder of Guardian RF; Georgetown University physics graduate.
John Andrzejewski is the COO and co-founder of Guardian RF, a Washington, D.C.-based startup building passive RF sensors for drone detection and pilot geolocation. He co-founded the company with fellow Georgetown University physics students Lucas Raskin and Eli Kerstein, building their first hardware prototype during Georgetown finals week before going through Y Combinator's Summer 2024 batch. Andrzejewski was later named to Forbes's 30 Under 30.
Overview
- Role
- founder
- Based in
- Washington, D.C., USA
- Prior experience
Affiliated funds0
No linked records yet.
Frequently asked
- Who is John Andrzejewski?
- John Andrzejewski is the COO and co-founder of Guardian RF, a Washington, D.C.-based startup building passive RF sensors for drone detection and pilot geolocation. He co-founded the company with fellow Georgetown University physics students Lucas Raskin and Eli Kerstein, building their first hardware prototype during Georgetown finals week before going through Y Combinator's Summer 2024 batch. Andrzejewski was later named to Forbes's 30 Under 30.
- What is John Andrzejewski's role?
- John Andrzejewski is founder, based in Washington, D.C., USA.
Sources & citations1
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- 1
Guardian RF was founded by Lucas Raskin (CEO), John Andrzejewski (COO), and Eli Kerstein (CTO) while studying physics at Georgetown; team pulled all-nighters during finals week to build their hardware prototype; named to Forbes 30 Under 30.
Georgetown University: 3 Hoyas Reshape Drone Detection With Guardian RF Start-upVerified2026-08-11