- Awarded the title of Associate Professor in 1990 and Professor in 1996.
- In 1993–2014, directed the Clinical Psychotherapy Unit, established at the Department of Psychiatry of Istanbul Faculty of Medicine.
- In 1994–2014, directed the Dissociative Disorders Research and Treatment Unit, established at the Department of Psychiatry of Istanbul Faculty of Medicine.
- In 1992 and 1993, conducted studies on self psychology and dynamic psychotherapy at the Department of Psychiatry, University of Basel Faculty of Medicine.
- Produced more than 120 international publications in the fields of work. Carried out pioneering work in Turkey and worldwide on dissociative identity disorder.
- For work on the consequences of childhood psychological trauma and on psychotraumatology, was granted 9 international awards, including a lifetime achievement award.
- In 2007–2008, served as President of the International Society for Trauma and Dissociation.
- In 2013–2015, served as President of the European Traumatic Stress Society.
- In 2010–2013 and 2018–2019, served as a consultant to the Working Group on the Classification of Mental Disorders (DSM-5) of the American Psychiatric Association.
- Appointed Chair of the Department of Psychiatry at Koç University Faculty of Medicine, established as of 2019.
- Main clinical areas of interest:
- Mental disorders related to traumatic stress,
- Depression, stress-related physical complaints, anxiety,
- Personality, identity and behavioral problems,
- Close relationship problems,
- Psychodynamic and trauma-focused psychotherapy,
- Dissociative disorders.
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