Martine F. Delfos (PhD) is a biopsychologist working as a researcher and therapist for people with a broad spectrum of issues. She is committed to the development of theoretical models which are directly applicable in the daily work of professionals. Delfos is the author of several books in the fields of child psychology, autism and gender differences. With respect to autism she has been involved in developing autism care in several countries and is visiting professor at the Universidad Central del Ecuador in Quito-Ecuador and also at the International University of Sarajevo in Bosnia-Herzegovina. Information on her work is to be found on: www.mdelfos.nl