PhD in psychology with an emphasis on behavioral neuroscience at the UNAM. He is a Research in Medical Sciences D National Institute of Psychiatry Ramon de la Fuente Muñiz, where he founded the Group Cronoecología and Human Ethology of the Department of Neuroscience. It is the guardian of the Graduate School of Psychology and professor of the UNAM's degree from the university. Research stays at the University of Tübingen, Germany, with Professor HG Erkert in Chronobiology. His areas of interest are the models in animal and human ethology, and behavioral cronoecología, with several publications in international journals, book chapters and popular articles, as well as compiler of the book in collaboration Primate Evolution and Human Identity (1999). Level I is the National Enquirer