ECNS (EEG and Clinical Neuroscience Society) Board Member, Chairman at the 2010 Yearly MeetingTurkish Medical AssociationAcademia Medicinae & Psychiatriae, NY, USAISBET (International Society for Brain Electromagnetic Topography)New York Academy of ScienceTurkish Society of Psychosomatic PsychotherapyTurkish Society of Biological PsychiatryAEP (Association of European Psychiatrists)International Society for Neurochemistry