Malissa Riddle has been named PPT Solutions’ Program Manager for the growth and management of the ACC-RSA Expedited Professional and Engineering Support Services (EXPRESS) contract task orders. As PPT’s EXPRESS PM, Riddle will work closely with customers and contractor teams in pursuing new work and maintaining existing customer and contractor relationships. Riddle brings over 25 years’ experience in supporting the U.S. Army Systems Readiness Directorate Apache Airworthiness Division, providing human factors engineering services and program management support for a variety of platforms.