Bachelor of Science in Biology, University Morelos, Cuernavaca, 1974. Master of Science in Ecology, University Wales, Bangor, United Kingdom, 1977. Doctor of Philosophy in Ecology, University Wales, Bangor, United Kingdom, 1980.
Research assistant National University Mexico, Mexico City, 1974-1980, associate professor ecology, 1980-1983, professor ecology, 1983-1985. Director Tropical Research Station, Veracruz, Mexico, 1985-1987. Deputy chair Institute Ecology, National University Mexico, 1994-1997, full professor ecology, since 1990.
Bing professor environmental science, department biological science Stanford University, 2004. Professor, instructor Organization Tropical Studies, Costa Rica and United States, since 1982. Conservation & environment scholar Pew Charitable Trust, United States, 1993.
National researcher Mexico Council of Scientific, Mexico City, since 1990. Consultant National Geographic Society, Washington, 1995.
Member Mexico Academy of Sciences (chair biology 1996-1997), Ecological Society of America (member public affairs committee 1996-1998, governing board since 1999), International Geosphere-Biosphere Program (member scientific committee since 1997), Association Tropical Biology (president 1993-1994), National Academy of Sciences (foreign associate), American Academy Arts & Sciences (honorary foreign).
Married Bertha Guillermina Gomez, December 18, 1986. 1 child, Arturo.