NextNav Appoints Lisa Hook to Board of Directors

NextNav Expands Board with Appointment of Seasoned Technology and National Security Leader

RESTON, Va.--(BUSINESS WIRE)--NextNav Inc. (NASDAQ:NN), a leader in next-generation terrestrial Positioning, Navigation, and Timing (PNT) and 3D geolocation solutions, today announced the appointment of Lisa Hook to its Board of Directors, effective February 24, 2026. Ms. Hook will also serve as Lead Independent Director and has been appointed as a member of the Company’s Technology and National Defense and Compensation and Human Capital Committees.

“I am delighted to welcome Lisa to the NextNav Board of Directors,” said Mariam Sorond, NextNav’s Chief Executive Officer and Board Chair. “Her leadership in global information services and deep expertise in telecommunications policy make her an ideal partner as NextNav advances a resilient, terrestrial complement and backup to GPS and addresses one of America’s most urgent national security vulnerabilities.”

“NextNav is tackling a critical gap in our national security infrastructure, and the urgency of that mission is what drew me to this role,” said Lisa Hook, newly appointed Board Member. “I look forward to working with Mariam and the team as they execute on their vision for a resilient, terrestrial 5G 3D positioning and timing solution that America needs.”

Ms. Hook is Managing Partner of Two Island Partners LLC, a private equity and consulting firm. She previously served as President and CEO of Neustar, Inc., a publicly traded global information services company focused on cloud-based analytics for risk and security, from 2010 to 2018 and has also held executive positions at America Online and Time Warner. Earlier in her career, she served as a legal advisor at the Federal Communications Commission and General Counsel of the Cable Group at Viacom International. Since 2012, she has also served on the National Security Telecommunications Advisory Committee. Ms. Hook brings more than 30 years of public company board experience and currently serves on the boards of Nokia Corporation and Fidelity National Information Services (FIS), and as Lead Independent Director of Philip Morris International.

About NextNav
NextNav Inc. (Nasdaq: NN) is a leader in next-generation 3D Positioning, Navigation, and Timing (PNT) solutions. As the nation’s largest license holder in a spectrum band expressly designated for terrestrial positioning services, NextNav is uniquely positioned to enable a widescale terrestrial complement and backup to GPS. Leveraging licensed low-band spectrum and the global 5G ecosystem, NextNav is focused on delivering an accurate, reliable, and resilient 3D PNT solution to protect national security, public safety, and the economy. Learn more at www.nextnav.com.

For more information, please visit https://nextnav.com/ or follow NextNav on X at https://x.com/NextNav or LinkedIn at https://www.linkedin.com/company/nextnav/.