Professor de Leo is Professor of Psychiatry and Director of the Australian Institute for Suicide Research and Prevention at Griffith University, Brisbane, where he also directs the World Health Organization (WHO) Collaborating Centre for Research and Training in Suicide Prevention. He is a graduate of the University of Padua (Italy) School of Medicine, where he then specialized in Psychiatry. He obtained is PhD degree in Social and Behavioral Sciences at the University of Leiden (the Netherlands). He has held numerous previous academic leadership positions including the directorship of the Psychogeriatric Services and the Clinic and Suicide Research Unit at the University of Padua. Professor de Leo is Past President of the International Association for Suicide Prevention (IASP) and co-founder and Past President of the International Academy for Suicide Research (IASR) of which he also co-founded the journal Archives of Suicide Research. Prof. De Leo has been the initiator of the World Suicide Prevention Day (2003). Member of the Editorial boards for several internationally renowned refereed journals, he is Editor-in-Chief of the journal CRISIS. Professor de Leo has published extensively with more than 220 refereed journal articles, 125 book chapters, and 26 books published in the past 25 years and over 150 conference presentations in total. Winner of 6 international awards, in 2007 he was given the title of Doctor of Science by Griffith University for his work on suicide and psychogeriatrics. Current research topics are diverse and include definitional issues and data quality in suicide statistics, as well as suicide in the mentally well and suicidal behavior across different cultures.