Ph.D.; at the time of his selection assigned at Jet Propulsion Laboratory, Pasadena, California; semi finalist in NASA astronaut group 8 selection; was Associate Professor, Systems Engineering, Department of Electrical, Computer, Software & Systems Engineering, Daytona Campus, Embry-Riddle Aeronautical University, Daytona Beach, Florida; retired from teaching Systems Science and Engineering at Embry-Riddle on May 25, 2017.