Cornell Human Ecology Alumni Association. Cornell Alumni Association of Colombia.
Representative for Peru & Paraguay, United Nations Children's Fund since 1992. Senior Regional Health Advisor, Americas & Caribbean Regional Office, United Nations Children's Fund, Colombia. Medical Nutritionist, International Nutrition Unit/ LTS, Office of International Health/DMHS, United States of America.
Rch Support Special/Lecturer, Division of Nutrition Sciences, Cornell University, United States of America. Rch Association/Assistant Professor, Division of Biochemistry Education, Institute of Nutrition of Central America & Panama (INCAP), Guatemala. Head, Department of Nutrition, Ministry of Public Health, Guatemala.
Resident, Metabolic Unit, Institute of Nutrition of Central America & Panama, Guatemala.