José Narro Robles José Narro Robles José Narro Robles (born December 5, 1948 in Saltillo, Coahuila) is a Mexican researcher, academic, and politician. He is a former director of the Faculty of Medicine of the National Autonomous University of Mexico (UNAM) and was elected its 23rd Rector on November 20, 2007. After two 4-year periods leading UNAM, in February 2016, he was appointed by Mexican President Enrique Peña Nieto to replace Mercedes Juan as head of the Mexican Secretariat of Health. Robles has enacted as adviser for the World Health Organization, WHO and UNICEF. He has been president of the National Academy of
Enrique Leff etc. Enrique Leff Enrique Leff (born Mexico, 1946) is a Mexican economist, who defines himself today as an environmental sociologist and environmentalist. He has written 25 books and 180 articles on political ecology, environmental sociology, environmental economics, environmental epistemology and environmental education. He is regarded as one of the key environmental thinkers in Latin America. After a degree in chemical engineering from UNAM (Universidad Nacional Autónoma de México) in 1968. Leff graduated with a Doctorat de Troisième Cycle in development economics from the École Pratique des Hautes Études, Paris, in 1975. Leff lectured at UNAM (Universidad Nacional Autónoma de México)