Jesús M. Pajón Morejón is a researcher-curator at the department of paleogeography and paleobiology at the National Museum of Natural History of Cuba. He has a degree in chemistry from Havana University and a Ph.D. in paleoclimate and geochemistry. Between 1978 and 1989 he worked at the National Centre for Scientific Research; from 1989 to 2004 he worked at the Institute of Geophysics and Astronomy in Havana; and from 2004 to 2011 he worked at the Cuban Institute of Anthropology as the head of the archaeological department. His research specialties are climatic changes, paleoclimatic and paleoenvironmental reconstructions based on cave deposits, paleohurricane research, sea-level changes, karst geochemistry and hydrochemistry, cave and karst development, and geoarchaeology.