Simon is a Senior Lecturer of Humanities at Yale-NUS College, Singapore.

He received a PhD in philosophy at the University of Sydney (2003), after a Diplôme d'Etudes Approfondies (M.Phil equivalent) in philosophy at the Université de Paris X-Nanterre. He has taught at the University of Sydney, the University of New South Wales and the University of Queensland, where he was a Postdoctoral Fellow in Philosophy & the Centre for the History of European Discourses. Prior to joining Yale-NUS, he was an ARC Postdoctoral Research Fellow in the Department of Philosophy at the University of Sydney.