Chris Barrie retired in 2002 after 42 years in the RAN, ending in four years of service as the Chief of the Defence Force(CDF). Since then he has worked on strategic leadership issues as consultant, teacher and mentor at Oxford University, the National Defense University in Washington DC, and at the Australian National University. At ANU Chris is Chair of the London Foundation, and a Director in the Tuckwell Foundation. He teaches on campus and at the Australian Command and Staff College and facilitates induction courses for new APS entrants into the Department of Defence. He has also co-facilitated executive education courses for the National Security College on risk. Chris is Chair of PTSD Australia New Zealand, which has launched FearLess Outreach to assist all Australians and New Zealanders who have post traumatic stress or live with people who have it. He became very concerned about climate change matters in 2006 after which he taken advocacy action to raise awareness of the potential costs of inaction. In 2015 he was an author of a Report for the Climate Council on “Climate Change, Security and the ADF”. Chris is also a member of the Global Military Advisory Council on Climate Change (GMACCC).