A graduate of the Hadassah Medical Center Medical School and the Hebrew University in Jerusalem, Prof Stein, a renowned expert in pediatric and adolescent psychiatry, served as senior physician in the psychiatric department at Hadassah Hospital in Jerusalem, director of the adolescent psychiatry department at the Abarbanel Mental Health Center in Bat Yam, and director of the psychosomatic department for children and adolescents at the Safra Children’s Hospital in Tel Hashomer.