Jim Wallis is a bestselling author, renowned speaker and preacher, public theologian, and international commentator on life, faith and politics. He has written eight books, including God's Politics: Why the Right Gets It Wrong and the Left Doesn't Get It, The Great Awakening and The Call to Conversion.
Martin Williams is a freelance investigative journalist. His work has appeared in Private Eye, the Guardian, the Observer, the Independent, and elsewhere. He hosts a live comedy show called 'Investigations', with the comedian Josie Long, which combines investigative journalism with stand-up comedy. In 2011 Martin won the Guardian's Scott Trust bursary and studied for an MA in Newspaper Journalism at City University. Before that, he read History and Politics at the University of York.