Rodrigo Medellín is Senior Professor at the National Autonomous University of Mexico (UNAM)´s Institute of Ecology. He works on the conservation and ecology of mammals in Mexico and 16 other countries. He has produced more than 60 theses and more than 200 publications. He has presided international scientific societies and represented Mexico and North America at CITES and other international forums. His work has been featured in various documentaries for the BBC, National Geographic, and other production houses.