Simon Keller is a Professor of Philosophy at Victoria University of Wellington. He works on topics in ethics and political philosophy, and the philosophy of mental health and mental disorder. He has published extensively on issues concerning special relationships, including friendship, family relationships, love, and patriotism. He has worked at Boston University and the University of Melbourne and held visiting positions at Harvard University, Rice University, and Ludwig Maximillian University Munich. His book 'The Limits of Loyalty' won the American Philosophical Association Book Prize in 2009. He is also the author of 'Partiality' (Princeton University Press 2013) and a co-author of 'The Ethics of Patriotism: A Debate' (Wiley Blackwell 2015).