BlueOSS, Annapolis, Maryland, has appointed Tim Cook chief executive officer.
Brig. Gen. Kathryn J. Johnson, USAF, has been assigned as director, logistics, Deputy Chief of Staff, Logistics, Installations and Mission Support, Headquarters U.S. Air Force, Pentagon, Washington, D.C.
Lt. Gen. William B. Garrett III, USA, has been nominated for assignment as deputy commander, United States European Command, Germany.
Rear Adm. Sean R. Filipowski, USN, will be assigned as director of warfare integration for information dominance, N-2/N-6F, Office of the Chief of Naval Operations, Washington, D.C.
Anne A. Witkowsky has been appointed as the deputy assistant secretary of defense for policy (partnership strategy and stability operations), Washington, D.C.
Lt. Gen. Susan Lawrence, USA (Ret.), has joined Booz Allen Hamilton, McLean, Virginia, as a senior vice president.
Maj. Gen. John B. Cooper, USAF, has been assigned as director, logistics, Headquarters Air Combat Command, Joint Base Langley-Eustis, Virginia.
Lt. Gen. Robert S. Ferrell, USA, has been assigned as chief information officer for the Army/G-6, Washington, D.C.
Vice Adm. Michael S. Rogers, USN, has been nominated as commander of U.S. Cyber Command, director of the National Security Agency and chief of the Central Security Service, Fort Meade, Maryland.
Richard "Rick" Ledgett has been named deputy director of the National Security Agency, Fort Meade, Maryland.