Professor of Psychiatry and Chairman, Chief of Medical Services, and Residency Training, Director of the Department of Mental Health and Sensory Organs of the University of Siena School of Medicine, Italy.

Professor of Psychiatry and Molecular Medicine The Donald and Barbara Zucker School of Medicine at Hofstra/Northwell New York, USA; Professor of Child and Adolescent Psychiatry Charité – Universitätsmedizin Berlin Berlin, Germany.

Professor of Psychiatry and Pharmacology, University of Toronto, Canada; Head, Mood Disorders Psychopharmacology Unit http://www.mdpu.ca/; Chairman and Executive Director, Brain and Cognition Discovery Foundation (BCDF), Toronto, Canada; Director and Chair Scientific Advisory Board, Depression and Bipolar Support Alliance (DBSA), Chicago, Illinois, USA.

Clinical professor in the Department of Psychiatry at Texas Tech University School of Medicine in Midland, Texas, USA.

Coordinator of Psychiatry at the Hospital Clínic, University of Barcelona, researcher at the Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) and the Biomedical Research Center in the Mental Health Network (CIBERSAM) at the Bipolar and Depressive Disorders Unit of the Hospital Clínic de Barcelona.

Full Professor and Chair of Psychiatry, Director Psychiatry Residency Training Program, Faculty of Medicine and Psychology, Sapienza University of Rome, Director University Psychiatric Clinic at Sant’Andrea Hospital, Rome; President of Psychiatric Rehabilitation Bachelor’s Degree; Sapienza Università di Roma.