Kees L. M. Cornelissen is a trained and registered psychotherapist in the Netherlands in private practice and in residential treatment. He participated in the Dutch association for ISTDP (called the VKDP) as a board member and, together with Josette ten Have-de Labije, is still occupied with the training programs in the Netherlands as well as in other European countries. He was educated as a sociologist at the Free University in Amsterdam.
During his professional life he was trained in Group Analysis, Client-Centred Therapy, and in Transactional Analysis amongst others, and became a teacher and supervisor in several psychotherapeutic modalities. In 2005 he developed and founded the only existing residential program based on ISTDP, and subsequently several day-treatment programs. Though educated in the theory and practice of ISTDP by H. Davanloo in Canada, he was trained in ISTDP as a member of the continuing educational program on ISTDP in the Netherlands by Josette ten Have-de Labije, among others.
He is now a trainer in ISTDP and on the board of IEDTA and the editorial board of the Ad Hoc Bulletin as well as co-trainer in several international core-groups on ISTDP in Norway, England, Poland, and the Netherlands. He has presented at national and international conferences, has written several articles on specific topics in the application of the technique of ISTDP, and a book on residential treatment with ISTDP, the R-ISTDP (2007).
He works in the Viersprong, a national centre for the treatment of personality disorders and is manager of the department of psychodynamic psychotherapy, including ISTDP, in the southern Netherlands, and is now developing a centre of expertise in ISTDP in the Netherlands, where people can receive core training and specialize in residential treatment with ISTDP as well. He also published several research articles on the effect and follow-up of ISTDP treatment.
Contact Kees L. M. Cornelissen, SocD | Email: firstname.lastname@example.org