Geoffrey Brown AO retired from the Royal Australian Air Force in July 2015 as Air Marshall in the position of chief of air force.
He is a director of Lockheed Martin (Australia), chair of the Sir Richard Williams Foundation, and chair of the advisory board of CAE Asia Pacific.
In 2012, he was appointed an Officer of the Order of Australia for distinguished service to the Royal Australian Air Force. He was also made a Legionnaire of the Legion of Merit by the United States.