Doctor of Medicine, University San Carlos (Guatemala), 1976.
Resident in internal medicine, Hospital General San Juan de Dios (Guatemala), 1976-1979; resident in internal medicine, Wayne State University, Detroit, 1981-1983; fellow in infectious disease, Stanford (California) U. Medical Center, 1984-1987; consultant in infectious diseases, Tuberculosis Clinic County of Santa Clara (California), 1985-1987; chief Aids Clinic, Hospital General, San Juan de Dios, Guatemala, since 1988. Consultant National Acquired Immune Deficiency Syndrome Commission, 1987-1988, United States Aid, Guatemala, 1989, Cooperative American Relief Everywhere, 1994, International Center for Research on Women, Guatemala, 1992-1993.
President The Guatemalan Association for Prevention and Control of Acquired Immune Deficiency Syndrome, Guatemala City, since 1989.
Married Barbara Jane Knoke. Children: Lorena Maria, Andrea Maria, José Estuardo.