Jorge L. Ahumada is a member of the Argentine Pyschoanalytic Association and an honorary member of the British Psychoanalytic Society.

Dr. Lussier is an outstanding psychoanalytic theoretician, educator, and clinician.

Rafael Moses has distinguished himself in the application of psychoanalytic theory to the study of prejudice and intergroup conflict.

Dr. Rosenfeld is one of the leading psychoanalytic theoreticians and clinicians of South America and has for many years pioneered in the psychoanalytic study of psychosis and addictions. His text on the psychoanalysis of these patients is an outstanding contribution to the field.