Dr. Keith Gremban joined CU in 2019 and is a Research Professor in the Ann and H. J. Smead Aerospace Engineering Sciences Department. Keith spent over 30 years in the defense industry and the U. S. government as a software architect, systems engineer, and program manager. He has led research and engineering efforts in robotics, command-and-control systems, and wireless communications. Keith’s current research interests are in radio frequency modeling and measurement, dynamic spectrum sharing, and cellular security. Keith received his PhD and MS in Computer Science from Carnegie Mellon University, and his MS in Applied Mathematics and BS in Mathematics from Michigan State University.