Robotham is a currently serving member of the Air Force and a 1999 graduate of Georgetown University with a bachelor's degree in physics and a master's in technology management from the University of Phoenix. She has served as an Air Force acquisition officer in a number of key positions including deputy chief, MQ-1/MQ-9 Special Projects deputy program manager; military assistant to the assistant secretary of the Air Force Acquisition Intelligence; and SIGINT ground materiel leader, NRO/Ground Directorate.

She has devoted her nonduty time to her family and volunteer activities on behalf of the military and veteran communities, including the Virginia “Purple Star” program, and to improve military children's education. She currently resides in Woodbridge, Va.