- Odontological Salvadoreña Youth (J. O. S.), 1967 – 1973.
- President J.O.S 1971 – 1972.
- Secretary of Culture 1970 – 1971.
- Dental Society of El Salvador, 1974.
- Odontologic Federation of Central America and Panama, 1974.
- American Dental Association, 1979.
- American College of Prosthodontists, 1980.
- Texas Dental Association, 1982 – 1993.
- Dallas County Dental Association, 1982 – 1993.
- Federation of Prosthodontics Organizations, 1991 – 1993.
- American Academy of Osseointegration, 1987.
- International Association of Dental Research, 1984 – 1987.
- International Association of Dental Research-Section, Dallas, 1984 – 1987.
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