Dr. Pierre Gagnon is a psychiatrist specialized in psychoncology, in psychosomatic medicine and geropsychiatry psychiatry. Clinician at three different centers, the CHU de Québec – Université Laval, the CUISSS-Capitale-Nationale and the Maison Michel Sarrazin, Dr. Gagnon works as a researcher at the Laval University Cancer Research Center and the Research center of the CHU de Québec – Université Laval, but he is also the head of the department of psychiatry and neurosciences at the Faculty of medicine at Laval University.