Diego de Leo is Emeritus Professor of Psychiatry at Griffith University in Brisbane, where he is the Director Emeritus of the World Health Organization Collaborating Centre for Research and Training in Suicide Prevention. Professor de Leo is past president of the International Association for Suicide Prevention and co-founder and past president of the International Academy for Suicide Research, of which he co-founded the journal Archives of Suicide Research. Prof. De Leo is the Editor Emeritus of the journal Crisis and was the initiator of World Suicide Prevention Day (2003). Presently, he is President of the Italian Psychogeriatric Association, head of the Slovene Centre for Suicide Research, and director of the Department of Psychology at the University of Primorska, Slovenia.