Addis Ababa University ,Medical faculty(1980-1987)
Addis Ababa University ,General Surgery (1988-1993)
Tel-aviv University,Cardiac surgery(1995-1996)
Howard University ,General Surgery (1998-2004)
UMDNJ-newark,Thoracic Surgery(2004-2005)
Oklahoma University,Thoracic Surgery(2005-07)
Adult Thoracic and Cardiac Surgery
Peripheral vascular surgery