National Autonomous University of Nicaragua Leon. 1972-1977
Title: General Medicine (First of his class)
Pediatric Surgery, Hispital Universitario de Puebla, Mexico 1983-1984
Surgical Oncology, Hospital Radium, Olso, Norway.
Curses of Colorectal Surgery, Cleveland Clinic, Fort Lauderdale. SInce 1998.
Curses of Bariatic Surgergy, Colombia, Oct 2005.