Faculty Medicine, Alexandria University 1980
Cardiothoracic surery residency (1981-1985)
Assistant Lecturer Alexandria University 1986-1989
Deutsches herzzentrum Berlin- germany 1989-1993
V-A Hospital Brooklyn NY,USA 1996-1998
Associate profesor Fculty Medicine, Alexandria University
Saudi German Hospital, KSA 1999-2003
King fahad Armed Force Hosp,KSA 2003-2007
Head Cardio-thoracic surgery, Alexandria University - Egypt.