RESTON, Va.--(BUSINESS WIRE)--NextNav Inc. (NASDAQ: NN), a leader in next-generation positioning, navigation, and timing (PNT) and 3D geolocation, announced today that Marissa Mitrovich has joined the company as Vice President of Government Affairs, and Vijay Venkateswaran has been appointed Chief Business Development Officer. Together, the hires bring decades of policy and commercial business development and strategy expertise necessary to advance the company’s 5G-powered 3D PNT and sensing so