Universidad del Valle de Guatemala
22 years of continuous work in research and education in Guatemala and Mesoamerica in the topic of natural resource management and environmental sanitation, particularly in the area of climate change. He participated as Lead Author of the 5th Assessment Report by the Intergovernmental Panel on Climate Change, IPCC, and Coordinating Lead Author in the 6th Report in the chapter on vulnerability and adaptation for Central and South America. He also participated in COP 21 in Paris in December 2015 as the National Commissioner on Climate Change. He has been the Principal Investigator in multiple projects at the national and regional level on the topic of adaptation to climate change by rural and small farmer communities. He has also lead the studies for the past 15 years on monitoring deforestation and studying the causes for that problem in Guatemala, as part of the national REDD+ (Reduced Emissions from Deforestation and Degradation) initiatives and other initiatives to develop carbon-offset projects.