1988-1992                     Assistant Professor - General and Vascular Surgery
National (Beheshti) University of Medical Sciences, Tehran, Iran

1988-1991                     Dean of Faculty of Medicine, Vice Chancellor of Education and Academic Affairs, Vice President of the University, and Chairman of Department of Surgery. Zahedan University of Medical Sciences, Zahedan, Iran

1991-1992                     Vice President of Education
Shahid Beheshti (National) University of Medical Sciences, Tehran, Iran

1992                             Associate Professor
Department of Cardiovascular Surgery, Beheshti (National) University of Medical Sciences, Tehran, Iran (Dean's Letter of Congratulation)

1992-1994                     Acting Instructor
Department of General Surgery, University of Washington, Seattle, USA

2002-Present                Professor
Department of Cardiovascular Surgery
Beheshti (National) University of Medical Sciences, Tehran, Iran (Vice-President's Letter of Congratulation)

2011-Present                     Chief
Department of Cardiovascular Surgery, Laleh General Hospital, Tehran, Iran