John Steiner (born 1934) is a psychoanalyst, author and trainer at the British Psychoanalytical Society. Steiner, a "prolific London post-Kleinian", is best known for his conceptions of the "pathological organisation" or the "psychic retreat"...between the paranoid-schizoid and the depressive positions'. His book, Psychic Retreats, describes a treatment methodology for patients with complex defence mechanisms that are difficult to treat with conventional psychoanalysis. Source: Wikipedia (en)