Ellert R.S. Nijenhuis, Ph.D.
Clinical psychologist, psychotherapist, and researcher.
He works as a clinician at the Top Referent Trauma Center of Mental Health Care Drenthe, Assen, The Netherlands, where he also performs his innovating scientific research.
He collaborates with the University of Groningen (The Netherlands), the University of Essen (Germany) and of Zürich (Switzerland) and several clinics.
His empirical and experimental research addresses the psychology and psychobiology of chronic traumatization and dissociation.
He has written many clinical and scientific articles, book chapters, and some books.
He is a reviewer of several professional journals, and provides presentations and workshops at many international conferences.
He is a former Director of the Executive Council of the ISSTD.
Co-author of “The haunted self: Structural dissociation and the treatment of chronic traumatisation”, authored by Onno van der Hart, Ellert Nijenhuis and Kathy Steele, and published by W.W. Norton, New York/London, 2006.
Author of “Somatoform dissociation: Phenomena, measurement and theoretical issues”. W.W. Norton, New York, 2004. German translation: Junfermann, Paderborn, 2006.
Cofounder of Psychotraumatology Institute Europe (PIE).
Medical doctor, specialized on psychosomatic medicine, psychotherapy and psychoanalysis.
EMDR-Europe approved EMDR-Institute trainer and supervisor.
President of the Humanitarian Assistance Program, Europe (HAP-Europe), and of Trauma-Aid (HAP-Germany).
Member of the training committee of the international training program of the International Society for the Study of Dissociation (ISSTD).
Trainer for trauma-related disorders in Germany and other international institutions.
Author and co-author of several scientific papers and books about trauma, dissociation and EMDR.
Co-founder of the Psychotraumatology Institute Europe (PIE).
PIE - Psychotraumatology Institute Europe
Großenbaumer Allee 35 a
Telefax : +49 (0)203 7120111
Bank : Stadtsparkasse Duisburg
Account owner : PIE - Helga Matthess
Account number : 200 010 395
Bank code number : 350 500 00
IBAN : DE04 3505 0000 0200 0103 95
SWIFT-BIC : DUISDE33
Person in charge about content : Dr. Klaus Mattheß