(Ph.D., Harvard University). A specialist in political philosophy, he has written extensively on issues of democratic theory, freedom of expression, religious freedom, political equality, and global justice. His recent books include Philosophy, Politics, Democracy (Harvard University Press, 2009); Rousseau: A Free Community of Equals (Oxford University Press, 2010); and The Arc of the Moral Universe and Other Essays (Harvard University Press, 2011). He is co-editor of The Norton Introduction to Philosophy. Cohen is on the faculty at Apple University and spends one day each week at Berkeley as Distinguished Senior Fellow at the School of Law, the Department of Philosophy, and the Department of Political Science.