Laurence Thomas is Professor of Philosophy and Political Science at Syracuse University. He is also a member of the Center for European Studies at Syracuse University and is the author of The Family and the Political Self (2006), Sexual Rights and Human Orientation (1999), and Living Morally: A Psychology of Moral Character (1989). He has also published numerous articles in journals such as the International Journal of Applied Philosophy, Midwest Studies in Philosophy, and Social Theory and Practice.

Connie S. Rosati is Associate Professor of Philosophy at the University of Arizona. Her primary research interests concern the foundations of ethics, and jurisprudential questions about constitutional interpretation and the objectivity of law. Professor Rosati's work has been published extensively in journals including Ethics, Social Philosophy and Policy, and Law and Philosophy. She is currently at work on a book on personal good.

Peter de Marneffe is Professor of Philosophy at Arizona State University. He is the author of Liberalism and Prostitution (2010), and (with Doug Husak) The Legalization of Drugs (2005). His research interests include liberty and liberalism, individual rights, and government paternalism and his essays have been published in journals such as Philosophy and Public Affairs, Criminal Law and Philosophy, and Philosophical Studies.

Douglas J. Den Uyl is Vice President of Educational Programs for Liberty Fund. He writes on social and political philosophy as well as the history of philosophy. His articles have appeared in the Journal of the History of Philosophy, Social Philosophy and Policy, and Journal of Applied Philosophy, among others. He is the author of several books, including The Virtue of Prudence (1991) and God, Man, & Well-Being: Spinoza's Modern Humanism (2008).

Douglas B. Rasmussen is Professor of Philosophy at St. John's University. His research interests include political philosophy, ethics, metaphysics, epistemology, business ethics, and political economy. He has written several books—among which is Norms of Liberty: A Perfectionist Basis for Non-Perfectionist Politics (2005; coauthored with Douglas J. Den Uyl)—and his essays have appeared in such journals as American Philosophical Quarterly, International Philosophical Quarterly, Public Affairs Quarterly, and the Review of Metaphysics.

David Shoemaker is Associate Professor in the Department of Philosophy and Murphy Institute at Tulane University. His primary interests include personal identity and ethics, agency and responsibility, moral psychology, social and political philosophy, applied ethics, and biomedical ethics. He is the editor of Oxford Studies in Agency and Responsibility, and his recent publications include Personal Identity and Ethics: A Brief Introduction (2009), and articles in journals such as Ethics and Mind.

David O. Brink is Professor of Philosophy at the University of California, San Diego and a Director of the Institute for Law and Philosophy at the University of San Diego School of Law. He has written widely in ethical theory, the history of ethics, moral psychology, and jurisprudence. He is the author of three books—Moral Realism and the Foundations of Ethics (1989), Perfectionism and the Common Good: Themes in the Philosophy of T. H. Green (2003), and Mill's Progressive Principles (2013). His work has also appeared in such journals as Philosophical Review, The Journal of Philosophy, Ethics, and Philosophy and Public Affairs.

Colin Bird is Associate Professor of Politics and Director of the Program in Political Philosophy, Policy, and Law at the University of Virginia. He works primarily in political theory. In addition to publishing two books—The Myth of Liberal Individualism (1999) and An Introduction to Political Philosophy (2006)—his articles have appeared in such journals as Ethics, Political Theory, American Political Science Review, Philosophy and Public Affairs, and European Journal of Philosophy.

Loren Lomasky is Cory Professor of Political Philosophy, Policy, and Law at the University of Virginia. He is the author of Persons, Rights, and the Moral Community (1987) is coauthor (with Geoffrey Brennan) of Democracy and Decision: The Pure Theory of Electoral Preference (1993), and co-editor (also with Brennan) of Politics and Process: New Essays in Democratic Theory (1989). Lomasky has held research appointments sponsored by the National Endowment for the Humanities, the Center for the Study of Public Choice, the Australian National University, and the Social Philosophy and Policy Center in Bowling Green, Ohio. Professor Lomasky's teaching interests include the philosophy of religion, medieval philosophy, and other episodes in the history of philosophy, as well as many topics in moral and political philosophy.

Michael B. Gill is Associate Professor of Philosophy at the University of Arizona. He writes on the history of ethics and contemporary moral issues. He is the author of The British Moralists on Human Nature and the Birth of Secular Ethics (2006). His recent work is published in journals such as History of Philosophy Quarterly, Journal of Applied Philosophy, and Journal of the History of Philosophy.

Geoffrey Sayre-McCord is Morehead-Cain Alumni Distinguished Professor of Philosophy at the University of North Carolina at Chapel Hill. He is Director of the University of North Carolina's Philosophy, Politics, and Economics Program. Professor Sayre-McCord works primarily in metaethics, moral theory, and the history of moral philosophy. His publications include numerous essays in edited volumes as well as articles in journals such as American Philosophical Quarterly, Social Philosophy and Policy, and Philosophical Studies.

Brian Leiter is Karl N. Llewellyn Professor of Jurisprudence and Director of the Center for Law, Philosophy, and Human Values at the University of Chicago. He teaches and writes primarily in moral, political, and legal philosophy, in both anglophone and continental traditions. He is the author of Nietzsche on Morality (2002), Naturalizing Jurisprudence (2007), and most recently, Why Tolerate Religion? (2013). In addition, his work has appeared in such journals as Ethics, European Journal of Philosophy, and Oxford Journal of Legal Studies.

Michael Huemer is Professor of Philosophy at the University of Colorado at Boulder. He is the author of more than fifty academic articles in ethics, epistemology, political philosophy, and metaphysics, as well as the books Skepticism and the Veil of Perception (2001), Ethical Intuitionism (2005), and The Problem of Political Authority (2013).

Julia Driver is Professor of Philosophy at Washington University in St. Louis, Missouri. She has published three books, the most recent of which, Consequentialism, appeared in 2012. She has also published numerous articles on normative ethics and moral psychology in journals including the Journal of Philosophy, Australasian Journal of Philosophy, and Philosophy and Phenomenological Research. She is Associate Editor at Ethics, and co-editor of the Journal of Ethics and Social Philosophy.

Jennifer Baker is Associate Professor of Philosophy at the College of Charleston. Her primary area of research is virtue ethics. Some of her publications include: “Virtue and Behavior,” “Who's Afraid of A Final End?” and “Procrastination as Vice.” She is co-editor of a forthcoming anthology on virtue and economics from Oxford University Press.

Geoffrey Brennan is Professor in the Moral, Social, and Political Theory Centre within the School of Philosophy, at the Research School of Social Sciences, Australian National University. He also holds an ongoing position as Joint Research Professor in the Philosophy Department at University of North Carolina, Chapel Hill and the Political Science Department at Duke University, where he directs the joint Duke/University of North Carolina PPE (Philosophy, Politics, and Economics) Program. He is coauthor, with Nobel Laureate James Buchanan, of The Power to Tax (1980) and The Reason of Rules (1985); with Loren Lomasky of Democracy and Decision (1993); and most recently with Philip Pettit of The Economy of Esteem (2004).

Justin Weinberg is Associate Professor of Philosophy at the University of South Carolina. He works in political philosophy and ethics. His interests in political philosophy include questions on how realistic political philosophy should be, and who is responsible for justice. In ethics his interests include the value of lives as well as puzzles regarding obligations to future generations. His recent work includes “How Lives Measure Up,” (Acta Analytica), “Is Government Supererogation Possible?” (Pacific Philosophical Quarterly), and “Norms and the Agency of Justice” (Analyse & Kritik).

Thomas Porter Sinclair is CUF Lecturer in Philosophy at the University of Oxford and Fellow and Tutor in Philosophy at Wadham College. He works primarily on questions about justice, and his papers have been published in journals such as Utilitas, Politics, Philosophy, and Economics, and Ethical Theory and Moral Practice.

Sam Fleischacker is Professor of Philosophy and Director of Jewish Studies at the University of Illinois at Chicago. He works in moral and political philosophy, the history of philosophy, and the philosophy of religion. His publications include A Third Concept of Liberty: Judgment and Freedom in Kant and Adam Smith (1999), On Adam Smith's Wealth of Nations: A Philosophical Companion (2003), A Short History of Distributive Justice (2004), and What Is Enlightenment? (2013).

Christopher Bertram is Professor of Social and Political Philosophy at the University of Bristol. His primary areas of research are modern social contract theory and theories of justice. His publications include Rousseau and the Social Contract (2003), and articles that appear in journals including Ethics and in a number of edited collections. He has recently edited a new edition of Rousseau's Of the Social Contract and Other Political Writings for Penguin Classics.

David Estlund is Lombardo Family Professor of Humanities, in the departments of Philosophy and Political Science at Brown University, where he has been teaching since 1991. He previously taught at University of California, Irvine, and has had visiting positions at the Australian National University and the Harvard Law School. His articles have appeared in numerous journals, including The Journal of Philosophy, The Philosophical Review, Ethics, and Philosophy and Public Affairs. He edited the collection, Democracy (2001), The Oxford Handbook in Political Philosophy (2012), and is the author of Democratic Authority: A Philosophical Framework (2008).

John Hasnas is Associate Professor of Business at Georgetown University's McDonough School of Business, Visiting Associate Professor of Law at Georgetown University Law Center, and Director of the Georgetown Institute for the Study of Markets and Ethics. Professor Hasnas has been a visiting scholar at the Kennedy Institute of Ethics in Washington, DC and the Social Philosophy and Policy Center in Bowling Green, Ohio. His scholarship concerns ethics and white collar crime, jurisprudence, and legal history and has appeared in journals such as the Journal of Business Ethics, Social Philosophy and Policy, and Business Ethics Quarterly.

Colin Farrelly is Professor of Political Studies at Queen's University. His current research integrates ethics and political philosophy with the empirical findings of evolutionary biology, genetics, and psychology. He is the author of Justice, Democracy and Reasonable Agreement (2007) and An Introduction to Contemporary Political Theory (2004), and several articles in political science, philosophy, bioethics, law, science, and medicine.