Jeff McMahan is White's Professor of Moral Philosophy at the University of Oxford. He is the author of The Ethics of Killing: Problems at the Margins of Life (OUP, 2002) and Killing in War (OUP, 2009).
Tim Campbell is a researcher at the Institute for Future Studies at the University of Stockholm.
James Goodrich is a PhD student in philosophy at Rutgers and Stockholm University, working on moral and political philosophy.
Ketan Ramakrishnan is a JD candidate at Yale Law School and a DPhil candidate in philosophy at the University of Oxford.