John, Lord Alderdice FRCPsych is a Liberal Democrat member and former Chairman of the Liberal Democrats in the House of Lords. He is Director of the Centre for the Resolution of Intractable Conflict at Harris Manchester College (University of Oxford) and Chairman of the Centre for Democracy and Peace Building (Belfast). As Leader of the Alliance Party of Northern Ireland he played a significant role in negotiating the 1998 Good Friday Agreement, was first Speaker of the Northern Ireland Assembly and from 2004 was one of four international commissioners appointed by the British and Irish Governments to monitor security normalization. He was President of Liberal International (the global federation of more than 100 liberal political parties), and is now Presidente d’Honneur. Previously consultant psychiatrist at the Centre for Psychotherapy in Belfast, he is currently a Clinical Professor in Psychiatry at the University of Maryland (Baltimore). He continues to work on fundamentalism, radicalization and violent political conflict and has been recognized with many honorary degrees and prizes including the International Psychoanalytic Association Award for Extraordinarily Meritorious Service to Psychoanalysis, the World Federation of Scientists Prize for the application of Science to the Cause of Peace and Liberal International’s Prize for Freedom.