BA, Trinity College, Dublin; MA, UCLA; MA, PhD, Harvard University. Expert on terrorism and counter-terrorism. Formerly, 20 years as Faculty, Harvard Government Department and latterly as Executive Dean, Radcliffe Institute for Advanced Study. 2009-15, Principal and Vice-Chancellor, University of St Andrews; concurrently served on Scotland’s Council of Economic Advisers. Since January 2016, Vice-Chancellor, University of Oxford. Member: American Academy of Arts and Sciences; the American Philosophical Society; the Academy of Social Sciences in the United Kingdom; Honorary Member of the Royal Irish Academy; Fellow of the Royal Society of Edinburgh; Member of the Board: Carnegie Corporation of New York; Booker Prize Foundation; other charities. Author of What Terrorists Want.