Juan Carlos Cosentino is Psychoanalyst, Medical University of Buenos Aires. In the UBA, he served for many years as the Holder of the Chair II of matter Psychoanalysis: Freud's career degree in Psychology, and for a period was director and the Commission of the Master of Psychoanalysis. He is currently the Director of Career Specialization in Psychoanalytic Clinic of the American Open University, Buenos Aires headquarters, and a member of the psychoanalytic institution Territories. A long series of books and articles stamped with the brand as an author, editor and publisher, among which are: Construction of Freudian concepts I and II; The first Freudian clinic; The turn of 1920; The sinister in psychoanalytic clinic, among others.