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• President of the Middle East and North African (M.E.N.A.) Chapter of the International Society of Cardiovascular Surgery (I.S.C.V.S.), March 2005.
• Vice-President of the International Society of Cardiovascular Surgery ISCVS, September 2001.
• Secretary-General of the Middle East and North African (M.E.N.A.) Chapter of the International Society of Cardiovascular Surgery (I.S.C.V.S.), November 1998-2002.
• The Treasurer and Member of the Executive Council of the previous society, 1992-1998.
• Chairman of Saudi Vascular Club, 1993.
• Co-Chairman of session 26 in the XXI World Congress of the International Society of Cardiovascular Surgery, September 15, 1993, Lisbon, Portugal.
• Chairman in Trauma Symposium, Madinah, February 1992.
• A member of Higher Medico-Legal Committee in Jeddah, since 1992.
• Reviewing manuscripts from International Journal of Cardiovascular Surgery and Saudi Medical Journal.
• A member of Disaster Committee of King Fahad Hospital during Gulf Crisis, 1990-1991.
• Columnist in AL-WATAN Newspaper 2004.
• Writing in Saudi Medical Magazines and newspapers for Public Health Education.
• Part-time Consultant Vascular Surgeon in Dr. Erfan & Bagedo Private Hospital in Jeddah.
• Chairman of Second Session of Symposium on Advances in Vascular Surgery, King Saud University, Riyadh 1995.
• Chairman, Third session of peripheral vascular surgery; Third Congress of Middle East and North African Chapter of International Society of Cardiovascular Surgery, Damascus, Syria, 1996.
• Participant in the previous Congress in Round Table Discussion about "Arteritis in Middle East," Damascus, Syria, 1996.
• A member of Investigations Committee.
• Chairman, 4th Congress of Middle east and North African Chapter MENA of ISCVS.
• Chairman of many scientific sessions in National and International meetings.
• Member of many charitable societies serving the community.
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