Professional experience

• 1990 - 2003 - Director of ClinicalSurgery at San Giuseppe Hospital, Milan.
• 2003 - appointed Director of Clinical Surgery 1 at the state university, Polyclinic University Hospital (Mangiagalli andRegina Elena), Milan.
• Since1990 he performed more than 50,000 surgical interventions,including over 10,000 using modern minimally invasive laparoscopic and thoracoscopic techniques.
• In the 1900s Prof. Roviaro performed the world's first major thoracoscopic interventions on the lungs and
  mediastinum.
• He has written over 500 publications and brought numerous contributions to Italian and international journals, and is a reviewer for numerous scientific periodicals.

Present positions held
 

• 
  Full Professor of Surgery
• 
  Director of Clinical Surgery 1 at the state university of Milan, Polyclinic University Hospital
• 
  Director of the Department of Surgical Science, State University, Milan
• 
  Director, Surgery Department, Specialty Surgery and Transplants, Polyclinic University Hospital (Mangiagalli and Regina Elena)
• 
  Director of the School of Specialization in General Surgery and Emergency Surgery
• 
  Regular teacher of the Course in Clinical and Emergency Surgery for the degree course in medicine and surgery.
• 
  Director of the Master's Course in Home Health Assistance
• 
  Teacher at the schools of Specialization in General Surgery, Gynaecology and Obstetrics, Orthopaedics and Traumathology.
• 
  Expert member of the High Council of Health
• Member of the Technical-Scientific Committee, National Tumour Institute, Milan.

• American College of Surgeons (ACS),
• American College of Chest Physicians (ACCP)
• European Surgical Association (ESA)
• European Association for Endoscopic Surgery (EAES)
• New York Academy of Science
• European Association for Cardio- Thoracic Surgery
• International Association for the Study of Lung Cancer, 
• Society of Thoracic Surgeons ( STS)
• American Association for Thoracic Surgery (AATS)
• Italian Society of Surgeons