Researcher in the Department of Geology of the University of EAFIT, Medellin, Colombia. Expert in Paleontology, Paleoclimatology, Marine Geosciences, Petroleum Geology, Paleoceanography and Micropaleontology. Participate in 6 scientific cruises in the Pacific and Eastern Indian Oceans. Membership of Colombian Academy of Sciences and PALCOMM (Paleoclimatic Commission) of INQUA (International Quaternary Association). Editorial board of Palaeogeography, Palaeoclimatology, Palaeoecology. Referee of papers submitted to Palaeogeography, Palaeoclimatology, Palaeoecology, Deep-Sea Research, J. Foraminiferal Res., and CT&F, Ciencia, Tecnología y Futuro. Referee of research proposals for the “New Zealand Foundation for Research, Science and Technology”, the “Foundation for Promotion of Science” (Colombia), and the Industrial University of Santander (Colombia). Organizer of the First Workshop of the Paleontological Society of Colombia: “Diversity Measures in Biology and Paleobiology”. Participant in several National and International research projects. > 50 articles.