From 1999 to 2007, he was a Senior Lecturer in management, leadership, and governance at the Australian Graduate School of Policing, Charles Sturt University. Previous to his academic career, he worked as a public and nonprofit sector executive in Australia, Spain, and the United States. He is the author of numerous articles and books on public policy about the nonprofit sector, immigration, and policing. His book, The Nonprofit World: Civil Society and the Rise of the Nonprofit Sector, was published by Lynne Rienner Press in 2016.