Thelma Krug is the Director of the Department on Policies to Combat Deforestation of the Ministry of the Environment of Brazil. Thelma is a Senior researcher at the National Institute for Space Research (INPE) of the Ministry of Science, Technology, Innovation and Communication since 1982. She holds a PhD on spatial statistics from the University of Sheffield, UK. She was the coordinator of Earth Observation at INPE, responsible for the official estimates of deforestation in Amazonia using remotely sensed data. For many years she has participated in the negotiating process under the United Nations Framework Convention on Climate Change (UNFCCC) on issues related mainly to forestry and reporting guidelines. She has several publications related to climate and forests, and has participated in the development of innovative methodologies for reforestation under the Clean Development Mechanism. From 2002 to 2015 she co-chaired the Task Force on National Greenhouse Gas Inventories of the IPCC and since October 2015 she is one of its Vice-Chairs.