Jorge Bucay is a doctor and a psychotherapist. His books have been translated into more than 24 languages, and he has become one of the most influential thinkers of today's society. He is the author of Amarse con los ojos abiertos, Cartas para Claudia, Cuentos para pensar, De la autoestima al egoísmo, De la ignorancia a la sabiduría, and Hojas de ruta. Demián Bucay is a psychiatrist and psychotherapist. He studied medicine at the University of Buenos Aires and continued his training in psychiatry residency Hospital Psychiatric Emergency Torcuato de Alvear. He holds a Ph.D. in Gestalt Therapy.