The following extract is from his university website profile.
- Clive Williams has a career background as an officer in Australian Military Intelligence, which included a number of overseas intelligence appointments. After leaving the Army in 1981, he pursued a civilian career in Defence Intelligence, working mainly on transnational issues. He was a Chevening scholar at the War Studies Department, King's College, London, in 1987. He has worked and lectured internationally on terrorism-related issues since 1980, and started running terrorism courses at the ANU in 1996. He left Defence in 2002, and has since run a Masters course elective on "Terrorism and Counterterrorism" at the ANU and at a number of Australian and overseas universities. This elective has been supplemented by another elective, "Security in Business and Government", run with John McFarlane since 2003. He became an Adjunct Professor at the Centre for Policing, Intelligence and Counter-Terrorism (PICT) at Macquarie University in 2006. He also became a Visiting Professor at the Department of Human and Social Sciences (HASS) at the Australian Defence Force Academy (ADFA) in 2006.
He is also a visiting fellow at the Strategic and Defence Studies Centre.
- "Australian security policy, post-11 September" in the Australian Journal of International Affairs, April 2002.
- "Doctrine, Training and Combat with 1st Battalion The Royal Australian Regiment, 1965-66 in The Australian Army and the Vietnam War Eds Peter Dennis and Jeffrey Grey, Army History Unit, 2002.
- The Sydney Olympics: The Trouble Free Games SDSC Working Paper No 371, November 2002.
- "Australia’s Evolving Maritime Environment" in Protecting Australia’s Maritime Borders: The MV Tampa and Beyond Eds Martin Tsamenyi and Chris Rahman, University of Wollongong, 2002.
- Countering Terror: New Directions Post "911" Eds Clive Williams and Brendan Taylor, Canberra Papers on Strategy and Defence No 147, 2003.
- "The Question of Links Between Al Qaeda and Southeast Asia" in After Bali: The Threat of Terrorism in Southeast Asia Eds Kumar Ramakrishna and See Seng Tan Institute of Defence and Strategic Studies, Singapore, 2003.
- "Unlawful Activities at Sea: An Australian Perspective" in The Strategic Importance of Seaborne Trade and Shipping Papers in Australian Maritime Affairs No 10, University of Wollongong, 2003.
- "Islamic Extremism and Wahhabism" in Globalisation and the New Terror Ed David Martin Jones, Edward Elgar, 2004.
- Terrorism Explained, New Holland, 2004.
- "Australia" in Terrorism in Southeast Asia Eds Wilson John and Swati Parashar, Observer Research Foundation, Longman, 2005.
- 'Terrorism' in Strategy and Security in the Asia-Pacific Eds Robert Ayson and Desmond Ball, Allen & Unwin, 2006.
- Defence Intelligence Organisation (DIO) Attaché in Washington 1990-1993
- Head of Imagery Exploitation Centre 1993-1994
- Director Major Powers Section, DIO 1994-1998
- Director of Security Intelligence 1998-2002
- Journal of Policing, Intelligence and Counter Terrorism, member of Advisory Committee