Penulis: Peggy T. Cohen-Kettenis

Friedemann Pfafflin, M.D., Ph.D., is Professor of Psychotherapy and head of the Forensic Psychotherapy Unit at Ulm University, Germany. Trained as a psychiatrist at Hamburg University, he first engaged in transgender clinical work in the mid-1970s when he visited the Psychohormonal Research Unit and the Gender Identity Clinic at The Johns Hopkins University Clinic in Baltimore, Maryland. From 1978 to 1992, he worked at the Institute of Sex Research at Hamburg University, Germany, and continued the work with transsexuals after moving to Ulm University in 1992. His main areas of research are transsexualism, transgenderism, psychotherapy process research, forensic psychiatry and psychotherapy, and history of psychiatry. From 1995 to 1997, he was President of the Harry Benjamin International Gender Dysphoria Association, Inc. Together with Eli Coleman, he founded The International Journal of Transgenderism in 1997.