In the years 1976-1978, General Surgery Assistant with operating room and first aid activities, “BUONCONSIGLIO” Hospital, Naples.

In 1978, Internal Medicine and intern in the Division of Cardiac Surgery both in the operating room and in intensive care, University Hospital Society ”OSPEDALI RIUNITI” of Trieste.

In the years 1980-1982, Assistant in the Department of Cardiac Surgery both in the operating room and in intensive care, University Hospital Society “OSPEDALI RIUNITI” of Trieste.

In the years 1982-1984, internist at the Medical-Surgical Department of Pediatric Cardiology. Experience in the operating room and intensive care in complex congenital heart diseases, Pediatric Hospital “BANBINGESU”, Rome.

In 1984, Assistant in the Cardiac Surgery Department of the Hospital
St. Antonius in Utrecht, responsible for intensive care and simultaneously for the operating room, especially in coronary surgery, Hospital
ST. ANTONIUS-UTRECHT, Netherlands.

In the years 1984-1986, Internal Medicine at the Department of Pediatric Cardiology. Experience in the operating room and intensive care in complex congenital heart diseases, Pediatric Hospital “BANBINGESU”, Rome.

In the years 1986-1990, Assistant in the Cardiac Surgery Department, CIVIL HOSPITAL SOCIETY, Brescia.

In the years 1990-1997, assistant in the Cardiac Surgery Division, CIVIL HOSPITAL SOCIETY, Brescia.

In the years 1997-2000, Head of Cardiac Surgery Division, S. ROCCO DI FRANCIACORTA Clinic- SSN accredited.