Dennis Richardson AO
- Commenced as Secretary of the Department of Defence on 18 October 2012
- Secretary of the Department of Foreign Affairs and Trade January 2010-October 2012
- Ambassador of Australia to the United States, June 2005-December 2009.
- Director-General of the Australian Security Intelligence Organisation 1996-2005.
- Deputy Secretary of the Department of Immigration and Multicultural Affairs 1993-1996.
- Head of the Review of the Intelligence Community post Cold War 1992.
- Principal Adviser to the Prime Minister 1990-1991.
- Various senior public service roles in the Departments of the Prime Minister and Cabinet and Immigration 1986-1990.
- A range of positions in the then Department of Foreign Affairs, with postings to Nairobi, Port Moresby and Jakarta 1969-1986.
- Graduated from Sydney University with a Bachelor of Arts (Honours) 1968.
- Awarded an AO in 2003.
- Born in Kempsey NSW in 1947.
- Married to Betty and has one son and one daughter.

