Dorothy Casey is a practicing psychotherapist who has considerable experience in group process and experiential work. She has a special interest in adolescent addiction and in its effects on the family unit. She has facilitated residential workshops for parents of chemically dependent young people and other persons concerned about their welfare. Dorothy has also facilitated experiential group work for student counsellors and psychotherapists. She holds an M.Sc. in Counselling and Psychotherapy from Dublin City University and has recently completed a professional training course in Group Psychotherapy in All Hallows College, Dublin.