Professor Wesley has published extensively and has authored several books on foreign policy, including The Howard Paradox: Australian Diplomacy in Asia. He won the 2011 John Button Prize for Best Writing in Australian Politics for his book, There Goes the Neighbourhood: Australia and the Rise of Asia.
He was Executive Director of the Lowy Institute for International Policy from 2009 to 2012 and Professor of International Relations and Director of the Asia Institute at Griffith University from 2004 to 2009. He has also taught at a number of other universities in Australia and overseas. Professor Wesley was an Assistant Director-General in the Office of National Assessments in 2003/04 and served as co-chairman of the Security and Prosperity working group at the Australia 2020 Summit in 2008.
Professor Wesley completed a PhD at the University of St Andrews in Scotland. He is a Visiting Professor at the University of Hong Kong, and previously worked as a lecturer at the University of New South Wales.