Geoffrey Garrett is an Australian political scientist, academic administrator, and the current dean of the University of Southern California Marshall School of Business. He has served as a professor of political science at the University of Oxford, Stanford University, Yale University, the University of California, Los Angeles (UCLA), the University of Southern California (USC) and the University of Sydney. He was also the dean of the University of Sydney Business School and the University of New South Wales Business School (UNSW Business School). He was the dean of the Wharton School of the University of Pennsylvania from July 2014 until June 2020.