Rodolfo Dirzo is Professor of Biology and Earth Systems Science at Stanford University. Rodolfo's scientific work examines the study of species interactions in tropical ecosystems from California, Latin America, and other tropical areas of the world. Recent research highlights the decline of animal life (“defaunation”), and how this affects ecosystem processes/services (e.g. disease regulation). Rodolfo teaches ecology, natural history, conservation biology, and biocultural diversity at undergraduate and graduate levels at Stanford, and conducts science education programs with underserved children in the Bay Area.Timestamps_____________________