Alejandro is a researcher and conservationist. He has worked against illegal wildlife trafficking for many years. He joined the TRAFFIC Sudamérica – WWF in Uruguay from 1988 to 1995. He created the Information Network on species trafficking Anti Tráfico Neotropical (ATN) and the Tortugas Marinas Neotropicales network (TMN). He was a Research Assistant for the PROVITA’s Blue-crowned parakeet (Aratinga acuticaudata) and Yellow-shouldered amazon (Amazona barbadensis) conservation project. In 1996, he participated in the V Course on Biology and Conservation of Sea Turtles in Venezuela, and he participated as a lecturer in the same courses in 1997, 1998, and 2000. He was a Research Assistant in the Genetic variability and estimation of nesting female leatherback turtles (Dermochelys coriacea) in the Mexican Pacific project in 1996. In 1997-1998 and 1998-1999, he was a Field Coordinator for the same project led by MSc. Laura Sarti, from the National Fisheries Institute and the National Autonomous University of Mexico (UNAM). He participated in the Workshop on Standardization of Work Methods in Sea Turtles in Chacahua (Mexico) in October 1996. In 1999 and 2000, he was a coordinator at a turtle protection camp in Cipara, Venezuela, led by MSc. Hedelvy Guada. He is the Founder and Executive Director of Karumbé – Sea Turtle Center since 1999 and won the Gold Medal awarded by the Conservation Leadership Programme. In 2003, he founded REDASO, the Network on Sea Turtle Research and Conservation in the Southwest Atlantic, thus integrating all the projects in Argentina, Brazil, and Uruguay. He has 18 publications in peer-reviewed journals, four book chapters, 80 papers presented at conferences, and he collaborated with the manual of recommendations for the rescue of birds, turtles, and marine mammals of the Ministry of Environment and Sustainable Development of Argentina. He was the co-supervisor of three theses about sea turtles in Argentina and Uruguay (Universidad del Salvador (USAL) and one from the International University of Andalusia, Spain. He participated in the Annual Symposium on the Biology and Conservation of Sea Turtles as a speaker between 1998 and 2013. He represented Karumbé in 15 Latin American Sea Turtle Specialists meetings, and he was an organizer in three of them. He is a member of the Tortoise and Freshwater Turtle Specialist Group (IUCN/SSC), the International Sea Turtle Society, and the Society for Conservation Biology. In 2005, he was appointed Vice Co-Chair for the Southern Atlantic Region of the IUCN Marine Turtle Specialist Group. He has been the Delegate for Uruguay of the Latin American Association for Conservation and Management of Wildlife since 2007, and he was appointed coordinator of CMAP-Marine (World Commission on Protected Areas – IUCN) for Argentina, Brazil, and Uruguay in 2008. He has been coordinating the fieldwork of the Equatorial Guinea Sea Turtles project (Africa) since 2009, and he has been a member of the International Sea Turtle Society board since 2012. He was awarded the Mash Award in Marine Conservation Leadership in 2016.