As Professor of Australian Studies at Deakin University, Victoria, David Walker has maintained a continuing involvement in Australian Studies programmes in the People's Republic of China, Japan and Indonesia.
During 1997/1998, he held the Monash Chair of Australian Studies at Georgetown University, Washington DC. He has been a Visiting Professor in the School of Foreign Studies, Renmin University, took up the inaugural BHP Billiton Chair of Australian Studies at Peking University, Beijing, in 2013.
He has published widely in the fields of Australian cultural history and Australian representations of Asia. His memoir, Not Yet Dark, was longlisted for the National Biography Award in 2012, and in 2018, David received the Order of Australia Medal for significant service to education as an academic in the field of Australian studies, and to international relations.