Associate Medical Doctor in Neurosurgery. (U.S.A. Residence equivalent) (position obtained by competitive examination and evaluation of background and merits), at the Instituto de Neurología del Hospital de Clinicas (Neurology Institute of the Hospital de Clinicas), Hospital of the Facultad de Medicina de la Universidad de Montevideo (Faculty of Medicine of the University of Montevideo), Montevideo -Uruguay- (1963-1967).

Staff Neurosurgeon Medical Doctor. Hospital de Neuquen (Hospital of Neuquén). Neuquén - Argentina- (1967-1983)

Staff Medical Doctor. Pain Center of the Hospital Penna (Penna Hospital) in Buenos Aires -Argentina- (1998)

Honorary Medical Doctor. Pain Center of the Hospital Tornú (Tornu Hospital). Buenos Aires -Argentina- (retired)