The European Society of Organ Transplantation (1995)

Founder and Chairman, Nucleus of Working Group of Adult Congenital Heart Disease (2005)

Chairman of the Nucleus of Cardiovascular Surgery Working Group in European Society of Cardiology (2002)

Treasurer, ESC Working Group of Adult Congenital Heart Disease (2005)

Cardiac Advisor of ESCVS Board (2005)

Cardiac Councillor of ESCVS Board (2009)

Turkish Society of Cardiology (1987)

Society of Vascular Surgery (1992)
European Society for Vascular Surgery (1996)

European Association of Transplantation (1992)
National Society of Thoracic and Cardiovascular Surgery (1993)

Member of the Cardiovascular Surgery Working Group of European Society of Cardiology (1993)

Co-Chairman of the Nucleus of Cardiovascular Surgery Working Group in European Society of Cardiology (1998)
Founder and present president of Izmir Division of the National Society of Thoracic and Cardiovascular Surgery (1995)
Member of the Executive Committe of National Society of Pediatric Cardiology (1996)
Member of the Board of Mediterranean Association of Cardiology and Cardiac Surgery (1987)
Associated President of the Executive Committe of National Society Thoracic and Cardiovascular Surgery
Editor of the nationally published journal of the same society (1997).
Symposiums Actively Taken Part in Organisation
VIIIth National Congress of Vascular Surgery 20-23 April 1996, Izmir
Workshop about "Advances in Vascular Surgery and Bioprosthesis Implantation" organised with the commitment of Hancock-Jaffe Laboratories 2 February 1998, Dokuz Eylul Medical School, Izmir
Symposium of I, II and IIIth Interactive Postgraduate Education about the Advancements in Diagnosis and Therapy of Thoracic and Cardiovascular Impairments in Children and Adults (1996, 97 and 98), Izmir.
Monthly Thoracic and Cardiovascular Surgery - Cardiology Meetings organised for Izmir and its environment (from November to June each year); also presentations from our department and presidencies in the meetings

Editorial Board Memberships;
  * HSF
  * INNOVATIONS

Program Committe Memberships;
  * ESC
  * ISMICS