1991-Present                 Fellow
Iranian Associationof Surgeons

1994-Present                 Fellow of The American College of Surgeons (FACS)

2003-Present                Presidential Board
” Iranian cardiovascular research institute”, Shahid Beheshti University of medical sciences, Tehran, Iran

University Dean Letter)

2004-Present                Vice President and Acting President
”Iranian cardiovascular research institute”, Shahid Beheshti University of medical sciences, Tehran, Iran

1999-Present                Scientific Committee (Member)
Iranian Association of Surgeons

2001-Present                  Member
Iranian Society of Cardiac Surgeons (Membership Card 1) (Membership Card 2) (Membership Card 3)

2001-2009                     Secretary
Iranian Society of Cardiac Surgeons

2003-Present                Member
The European Association of Cardio-thoracic Surgeons

2005-Present                Warden
American College of Surgeons, (Iranian Chapter)

2007-Present                Member
The Society of Thoracic Surgeons