Umberto Lombardo (PhD, University of Bern 2012) is a post doc at the Universitat Pompeu Fabra in Barcelona with an SNF Advanced Postdoc Mobility grant. He is a geographer who studies landscape evolution and human-environment interactions in southern Amazonia during the Holocene. His interests include neotectonics, fluvial geomorphology, paleosols, pre-Columbian agriculture and settlement patterns and the region’s earliest hunter-gatherer occupations.

Eduardo Góes Neves has a BA in History, University of São Paulo, PhD in Archaeology, Indiana University, Professor of Brazilian Archaeology, Museum for Archaeology and Ethnology, University of São Paulo, He works in the Brazilian Amazon.