Guardian RF
YC S24Washington, US · Founded 2024 · 15 employees · Hiring · 3 known investors
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.
Advanced ManufacturingDeep TechDefense TechHardwareIoTRoboticsUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (S24)
Guardian RF was founded in 2024 by Lucas Raskin, John Andrzejewski, and Eli Kerstein.
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Lucas Raskinin𝕏Co-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
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John AndrzejewskiinCo-FounderJohn Andrzejewski studied physics at Georgetown University and is now working on counter-UAS technology at Guardian RF.30 Under 30 2026
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Eli KersteininCo-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 · 3
Funding
SEC filings, press & company announcements- Undisclosed amountSeedMay 2025 · 2 sourcesSource ↗
Source: company announcements and press reports — follow each round's link for the claim.
Competitors · 2
by search overlapD-Fend Solutions5 shared keywordsD-Fend Solutions develops counter-drone takeover technology, including its EnforceAir system that uses cyber-based detection and mitigation to safely land rogue drones. It serves government agencies such as military, homeland security, and law enforcement, along with airports and critical infrastructure sites.
Dedrone4 shared keywordsDedrone provides an AI/ML-powered airspace security platform that detects, tracks, identifies, and mitigates unauthorized drone threats while enabling authorized drone operations. The company's comprehensive counter-drone solution combines multiple sensor types, autonomous command and control software, and smart jamming technology tailored to protect critical infrastructure, government facilities, and sensitive airspace.
Companies competing with Guardian RF for the same Google search keywords, organic and paid, via search-intersection analysis.
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, Space Capital.
- Where is Guardian RF headquartered?
- Guardian RF is headquartered in Washington, US.

