Nathan Maenle has been assigned director, manpower, personnel and security, Defense Information Systems Agency, Fort George G. Meade, Maryland.
Tait Communications, Houston, has tapped John Emerson as global chief information officer.
Brig. Gen. Charles Q. Brown Jr., USAF, has been selected for the rank of major general and assigned deputy commander, U.S. Air Forces Central Command; deputy, combined force air component commander, U.S. Central Command, Southwest Asia.
Ruth L. Moser has been assigned director, space programs and policy, Office of the Under Secretary of Defense (Acquisition, Technology and Logistics), Washington, D.C.
Quantum3D Inc., San Jose, California, has appointed Wade Guindy president and CEO.
Col. Christopher F. Skomars, USAF, has been nominated for appointment to the rank of brigadier general and assignment as deputy director of installations, logistics and mission support, Headquarters Air Force Global Strike Command, Barksdale Air Force Base, Louisiana.
Rear Adm. Samuel Perez Jr., USN, will be assigned deputy assistant secretary, plans, programs and operations, Department of State, Washington, D.C.
Daniel Myung has been named chief executive officer of HandySoft Global Corporation, Falls Church, Virginia.
Col. Timothy P. Kelly, USAF, has been nominated for appointment to the rank of brigadier general and assignment as deputy director, plans and policy, U.S. European Command, Stuttgart-Vaihingen, Germany.
Brig. Gen. Maryanne Miller, USAF, has been nominated for appointment to the rank of major general and assignment as deputy director for partnership strategy, Joint Staff, Pentagon, Washington, D.C.
Optelian, Marietta, Georgia, and Ottawa, Ontario, has named Dr. John Yam Asia-Pacific regional business development manager.
Maj. Gen. Gregory A. Biscone, USAF, has been nominated for appointment to the rank of lieutenant general and assignment as chief, Office of the Defense Representative-Pakistan, U.S. Central Command, U.S. Embassy, Islamabad, Pakistan.
Randall G. Conway has been assigned principal director for command, control, communications and computers, and information infrastructure, Office of the Department of Defense Chief Information Officer, Pentagon, Washington, D.C.
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.