William E. Marion II is Deputy Chief, Information Dominance and Deputy Chief Information Officer, Washington, D.C. Mr. Marion assists in leading three directorates and supports 54,000 cyber operations and support personnel across the globe with a portfolio valued at $17 billion. He provides oversight of the Air Force’s Information Technology portfolio including the Information Technology investment strategy, networks and network-centric policies, communications, information resources management, information assurance, and related matters for the Department of the Air Force.