Instituto de Ecologia, UNAM Mexico
Visiting Professor, Stanford University

Gerardo has worked with UNAM since 1989 with scientific interests and field work focusing on animal ecology, biogeography and conservation of nature. He has directed 19 thesis, 13 master's and doctoral, and carried out conservation projects aimed at protecting species and ecosystems including the creation of Biosphere Reserve Chamela – Cuixmala in Jalisco, Janos Biosphere Reserve, Lerma Marshes and the Calakmul Biosphere Reserve. He has directed more than 80 technical studies for various government, academic and private national and international institutions.