Gerardo Avalos (Ph.D., MSc, plant ecophysiology and conservation, University of Missouri-St. Louis) works with photosynthetic acclimatization of lianas, and biomechanics, carbon sequestration, and ecology of functional traits in Arecaceae, ecology of invasive plants, and functional dynamics of food webs in hummingbirds. He is the Director of the Center for Sustainable Development Studies and Professor of Ecology at the University of Costa Rica, where he teaches Botany, Ecology, Natural History and Multivariate Statistics.