Epirus is a high growth technology company that is rapidly developing and building software defined high-powered microwave (HPM) applications for the defense and commercial sectors.

Epirus is a on a mission to create innovative power solutions to solve complex problems.

Epirus was co-founded in 2018 by Nathan Mintz, Max Mednik, Bo Marr, Joe Lonsdale, Grant Verstandig, and John Tenet. The company is headquartered in Hawthorne, California, with a satellite office in Tysons, VA.


Epirus invented SmartPower, which utilizes artificial intelligence-enabled Gallium Nitride (GaN) semiconductors to produce extreme levels of power density during high-powered microwave (HPM) transmission, without special cooling.


Epirus also invented Leonidas is a counter-electronics system with the power and precision to disable multiple threats across a wide area or neutralize a single system in tight, crowded spaces. Epirus’ approach to Leonidas shifts the paradigm for directed energy, delivering unprecedented counter-electronics capabilitie.


Epirus inked partnerships with Defense Advanced Research Projects Agency (DARPA), the Army Applications Laboratory, and Northrop Grumman. Epirus recently expanded their directed energy product portfolio with the introduction of Leonidas Pod, a portable and modular HPM system.


Epirus is backed by Bedrock Capital, L3Harris Technologies, Greenspring Associates, T. Rowe Price Associates, Piedmont Capital Investments, 8VC, Fathom VC, Broom Ventures, and others. The company raised $200M in Series C round on Feb 15, 2022. This brings Epirus' total funding to $344.7M to date. The latest round valued Epirus at a $1.35B post-money.



  • Year founded: 2018
  • Funding Info: $344.7M over 4 Rounds (Latest Funding Type: Series C)
  • Yearly Revenue: NA
  • Employee Size: 51-200
  • Business Valuation: Valued at a $1.35B as of Feb 15, 2022
  • City/Town: Hawthorne
  • State: California
  • Country: United States
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