/Companies

Guardian RF

YC S24

Washington, US · Founded 2024 · 15 employees · Hiring · 5 known investors

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Guardian RF builds sensing technology to provide visibility and monitoring of low-altitude airspace. The company serves operators and stakeholders requiring airspace awareness and management capabilities.

Founders & leadership· Y Combinator alumni (S24)

Guardian RF was founded in 2024 by Lucas Raskin, John Andrzejewski, and Eli Kerstein.

LRLucas Raskin
Lucas RaskinCo-founder · Chief Executive OfficerFounder of Guardian RF, which develops sensing technology for low-altitude airspace monitoring and awareness. Brings a physics background to building counter-unmanned aircraft systems.30 Under 30 2026
JAJohn Andrzejewski
John AndrzejewskiCo-FounderJohn Andrzejewski studied physics at Georgetown University and is now working on counter-UAS technology at Guardian RF.30 Under 30 2026
EKEli Kerstein
Eli KersteinCo-founder · Chief Technology OfficerEli Kerstein has backgrounds in physics and computer science and works on counter UAS systems at Guardian RF.30 Under 30 2026

Investors · 5

Funding

SEC filings, press & company announcements
  • Undisclosed amountSeedMay 2025 · 2 sources
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Source: company announcements and press reports — follow each round's link for the claim.

Related companies · 2

Companies working in the same space as Guardian RF.

Legal entities · 1

corporate structure
Guardian RF Corporation

In the news

Frequently asked questions

What does Guardian RF do?
Guardian RF builds sensing technology to provide visibility and monitoring of low-altitude airspace. The company serves operators and stakeholders requiring airspace awareness and management capabilities.
Who founded Guardian RF?
Guardian RF was founded by Lucas Raskin, John Andrzejewski, Eli Kerstein in 2024.
Who are Guardian RF's investors?
Guardian RF's investors include Region Cuatro, Y Combinator, Andreessen Horowitz, Romulus Capital, Space Capital.
Where is Guardian RF headquartered?
Guardian RF is headquartered in Washington, US.