Professor of Vascular Medicine, Phlebology and Non Invasive Investigation He is Director of vascular center of Nuova Villa Claudia in Rome; - President of the Central European Vascular Forum; - President of the International Union of Angiology foundation; - Honorary President of the International Union of Angiology; - Past General Secretary of International Union of Phlebology; - President of Italian Vascular Foundation; - President of the Italian Society of Vascular Medicine; - Honorary President of Italian Society for Vascular Investigation; - Editor in Chief of Acta Phlebologica journal; - Co-editor in Chief of Vascular Investigation Therapy journal; - Member of Editorial Committee of International Angiology; - Honorary member of Panamerican Society of Phlebology and Lymphology; - honorary member and Fellow of the International Union of Angiology; - Fellow of the European Society of Vascular Medicine; - Fellow of the Royal Society of Medicine; - Emeritus fellow of the American Venous Forum. - he is at present coordinator of master in Angiology by “Università Sapienza” of Rome;