Dr. Cook is a faculty member at Oxford University. His books include 'The Moral Maze', 'Blind Alley Beliefs', 'Dilemmas of Life', 'Patients' Choice', 'Question Time' and others as well as a wide range of chapters and articles. He advises the Archbishops and the British Government and is a member of the UK Xenotransplantation Interim Regulatory Authority. He lectures internationally and preaches in a wide variety of denominations.