Thomas W. Hartmann is an American lawyer and officer in the United States Air Force Reserve. He has 32 years of criminal, commercial and civil litigation experience. Between 1983 and 1991 he was a prosecutor and defense counsel in the Air Force, including duties as Chief Air Force Prosecutor in Asia-Pacific Region. From 1991 to 1996 he was an associate at Bryan Cave LLP and at SBC Communications. In 1996 he became Senior Counsel for Mergers & Acquisitions for SBC Communications closing multiple deals worth several billion dollars in U.S., Europe, and South America as well as negotiating a strategic partnering agreement with a global internet service provider. From 1998 onwards he was General Counsel for SBC Communications, Orius Corp. and MxEnergy Inc. in domestic and international settings. In July 2007 Brigadier General Hartmann was appointed the Legal Adviser to the Convening Authority in the Department of Defense Office of Military Commissions.