A.C. Grayling is Master of the New College of the Humanities, and a Supernumerary Fellow of St Anne's College, Oxford. Until 2011 he was Professor of Philosophy at Birkbeck College, University of London. He has written and edited over 20 books on philosophy and other subjects including, most recently, The Good Book, Ideas That Matter and Liberty in the Age of Terror. He is a frequent contributor to the Literary Review, Observer, Independent on Sunday, Times Literary Supplement and New Statesman, and a frequent broadcaster on BBC Radios 4, 3 and the World Service. In addition he sits on the editorial boards of several academic journals, and for nearly ten years was the Honorary Secretary of the Aristotelian Society. He is a past chairman of June Fourth, a human rights group concerned with China, and is a representative to the UN Human Rights Council for the International Humanist and Ethical Union. He was a Fellow of the World Economic Forum for several years, and a member of its C-100 group on relations between the West and the Islamic world. He is a Fellow of the Royal Society of Literature and a Fellow of the Royal Society of Arts. In 2003 he was a Booker Prize judge, in 2010 was a judge of the Art Fund prize, and in 2011 the Wellcome Book Prize. He supports a number of educational charities and is a sponsor of Rogbonko School in Sierra Leone.