Kim Sterelny is Professor of Philosophy at the Australian National University. He is the coauthor of Language and Reality: An Introduction to the Philosophy of Language and the author of The Evolved Apprentice: How Evolution Made Humans Unique (both published by the MIT Press) and other books.

Richard Joyce is Professor of Philosophy at Victoria University of Wellington and author of The Evolution of Morality (MIT Press, 2006) and The Myth of Morality (Cambridge University Press, 2001).

Brett Calcott is a Postdoctoral Researcher at the ASU/SFI Center for Complex Biosocial Systems in the School of Life Sciences at Arizona State University and coeditor (with Kim Sterelny) of The Major Transitions in Evolution Revisited (MIT Press, 2011).

Ben Fraser is a Postdoctoral Research Fellow in the Philosophy Program at Australian National University.

Richard Joyce is Professor of Philosophy at Victoria University of Wellington and author of The Evolution of Morality (MIT Press, 2006) and The Myth of Morality (Cambridge University Press, 2001).