Arturo Pacheco is a dendroclimatologist studying the climatic drivers of tree ring growth and its effects on wood anatomy. His PhD research in Forest Ecology from the University of Padua (Italy) focused on the formation of intra annual density fluctuations of Mediterranean tree species under drought conditions. Although most of his research focuses on Mediterranean species, alpine and artic species also form part of his expertise. At the Earth Institute he will be working with Dr. Laia Andreu-Hayles of the Lamont-Doherty Earth Observatory (LDEO) Tree-Ring Lab, integrating within the ‘Collaborative Research: Reconstructing South American monsoon sensitivity to internal and external forcing: reconciling models and tree-ring proxies in the Central Andes’ and also participating of the NSF project ‘Climate Research Education in the Americas using Tree-Ring Speleothem Examples’ (PIRECREATE). Before joining Columbia University, Arturo worked as a Postdoc at the University of Campania Luigi Vanvitelli (Italy) starting the Italian Tree Talker Network (ITT-Net) a state-of-the-art continuous large-scale monitoring of tree functional traits and vulnerabilities to climate change. He also holds degrees from the University of Bangor, United Kingdom (M.Sc.) and University of Costa Rica (B.Sc.).