Ruth is a pioneer in the field of treating SM in the child's natural settings - in the home, school, relatives' homes, doctors' clinics etc. She has specialized in child anxiety disorders and selective mutism for over two decades and runs municipal and private clinics, has published and lectured widely on SM. She has developed an effective treatment for SM, which has helped hundreds of children overcome SM, both through direct intervention by parents, teachers and therapists, and utilizing her online treatment intervention. She is a sought after speaker and therapist internationally. She is the author of "The Selective Mutism Treatment Guide: manuals for Parents, Teachers and Therapists", which has been translated to several languages.