Dr. Sungur received training in cognitive behaviour therapy (CBT), sexual and marital therapies at the Institute of Psychiatry (King’s College), London. He is accredited as a 'cognitive behaviour therapist' by the Europoean Association of Behaviour and Cognitive Therapy (EABCT). He is a founding fellow member, certified cognitive therapist/supervisor of the Academy of Cognitive Therapy (ACT) and International Advisory Board member of the Beck Institute (BI). He is the immediate past president of the International Association for Cognitive Psychotherapy (IACP) and has been one of the past presidents of the EABCT. Dr Sungur is now the president of the European Federation of Sexology (EFS) and also a board member of the recently established World Confederation of Cognitive and Behavioural Therapies (WCCBT).He is also a board member of the World Assocition of Sexual Heath(WAS). He has received some national and international awards, including “Schizophrenia Reintegration Award”, “Gold Medal from European Federation of Sexology”, "Julia Heiman Honorary Award" for his contributions in the area of couple and sex therapy.

His research interest is in Cognitive Behavioural Treatment of Anxiety Disorders and Sexual and Marital problems.