Career Progressions

SRA International Inc., Fairfax, Virginia, has named Deborah Alderson executive vice president and chief operating officer and Timothy Atkin chief administrative officer and chief of staff.

Col. Mark D. Stillwagon, USAF, has been nominated for appointment to the rank of brigadier general and assignment as mobilization assistant to the commander, Air Force Intelligence, Surveillance and Reconnaissance Agency, Joint Base San Antonio, Texas.

Col. Sarah E. Zabel, USAF, has been selected for the rank of brigadier general, and assigned special assistant to the commander, Air Force Sustainment Center, Air Force Materiel Command, Tinker Air Force Base, Oklahoma.

Berkeley Research Group’s Technology Services practice has appointed Liam Ferguson director for the Los Angeles office, and Courtney Fletcher director for the Washington, D.C., office.

MEI Technologies Incorporated, Houston, has named L. David Cazes chief executive officer.

Col. Joseph E. Whitlock, USAR, has been nominated for promotion to the rank of brigadier general and assigned deputy director, J-5, U.S. Northern Command, Peterson Air Force Base, Colorado.

Mocana, San Francisco, has named Alan Brenner senior vice president of products and engineering.

Bill Irby has been promoted to senior vice president and general manager of AAI Unmanned Aircraft Systems, an operating unit of Textron Systems, Wilmington, Massachusetts.

Maj. Gen. Mark A. Milley, USA, has been nominated for appointment to the rank of lieutenant general and assigned commanding general, III Corps and Fort Hood, Texas.

QinetiQ North America, McLean, Virginia, has appointed Bruce Feldman senior vice president, National Systems sector, of the company's Mission and Information Solutions operating unit.