Todd E. Humphreys (B.S., M.S., Utah State University; Ph.D., Cornell University) holds the Ernest Dashiell Cockrell II Chair in Engineering in the department of Aerospace Engineering and Engineering Mechanics at the University of Texas at Austin. He is Director of the Wireless Networking and Communications Group and of the UT Radionavigation Laboratory, where he specializes in the application of optimal detection and estimation techniques to positioning, navigation, and timing. His awards include the NSF CAREER Award (2015), the ION Thurlow Award (2015), the PECASE (NSF, 2019), the IEEE Walter Fried Best Paper Award (2012, 2020, 2023), the ION Kepler Award (2023), and the Royal Institute of Navigation Harold Spencer Jones Gold Medal (2025). He is a Fellow of the Institute of Navigation and of the Royal Institute of Navigation.