Joseph Knobel Freud was born in Kansas City. He has lived in Barcelona since 1978, where he works as a clinical psychologist and psychoanalyst. He is a founder and professor of the School of Clinical Psychoanalysis with Children and Teenagers of Barcelona, and vice-president of the “Children and Teenager” section of the Spanish Federation of Psychotherapists. He coauthored the book Clinical Psychoanalysis with Children