A 2018 visiting research fellow for the Center for Ethics and Culture at Notre Dame University, Thomas D. Williams has written widely on theology, philosophy, ethics, and spirituality, and his 15 books include Who Is My Neighbor? Personalism and the Foundations of Human Rights and The World As It Could Be: Catholic Social Thought for a New GenerationWilliams teaches theology at St. John's University Rome campus and has also done extensive media work, serving as consultant and commentator on faith, ethics, and religion for NBC, CBS, and Sky News in the UK. He was appointed by the Holy See as spokesman for the Synod of Bishops in 1997 and again in 2001.