Doctor of Philosophy, University Catolica de Chile, 1973.
Professor physiology University California, Los Angeles, since 1984. Member board science counsilors NIAMS, Bathesda, Maryland, National Institutes of Health, Bathesda.
Fellow: American Association for the Advancement of Science. Member: Biophysical Society.
Married Josefina De la Fuente, December 18, 1970. Children: Josfina Abondolo, Francisca, Julio, Sofia.