Professor Antoine Pelissolo is a psychiatrist and head of the psychiatry department at the Mondor hospital in Paris-Créteil, France. He is a professor at Paris-Est University and a researcher at INSERM. He is also president of the French Association of Anxiety and Depressive Disorders (AFTAD) and has published numerous books on anxiety disorders. Antoine Pelissolo has worked for almost 20 years on anxiety and depression problems, focusing especially on research on Obsessive-Compulsive Disorder (OCD) and phobias. In addition, he strives to improve the knowledge of professionals and the public about these pathologies, through numerous works on psychopathology.