Prime Minister | Prime Minister of the United Kingdom | United States Department of Defense | United States Department of State | United States Department of Justice | United States Department of Agriculture | Prime Minister of Canada | United States Department of Energy | Chief Minister | Prime Minister of Australia | United States Department of War | prime minister | United States Department of Veterans Affairs | United States Department of the Treasury | War Department | Los Angeles Police Department | United States Department of Transportation | Beni Department | Department of Energy | minister | United States Department of Labor | Prime Minister of India | Minister | Prime Minister of Japan | Prime Minister of Israel | Cochabamba Department | United States Department of Health and Human Services | United States Department of Education | Antioquia Department | United States Department of the Interior |
Subsequent to his retirement from the Army in 2005, Lewis joined the Australian Public Service and was appointed to the position of First Assistant Secretary of the National Security Division in the Department of the Prime Minister and Cabinet.