Karen Van Dyke serves as the Director for Positioning, Navigation, and Timing (PNT) and Spectrum Management in the U.S. Department of Transportation Office of the Assistant Secretary for Research and Technology (OST-R). Karen has been involved in navigation-related programs at the Volpe National Transportation Systems Center for over 25 years and currently is responsible for overseeing the navigation program and development of policy positions on PNT and spectrum in coordination within the Office of the Secretary of Transportation. Karen received her BS and MS degrees in Electrical Engineering from the University of Massachusetts at Lowell. She served as the President of the Institute of Navigation (ION) and is a recipient of the Award for Meritorious Achievement (Silver Medal) from the Secretary of Transportation and is a Fellow of the ION. Karen was a collaborator on the book, Understanding GPS: Principles and Applications (first and second editions).