Marcos Cortesão Barnsley Scheuenstuhl is an economist who graduated from the State University of Rio de Janeiro in 1988. He earned his Master’s degree from the same university and later went to the Federal University of Rio de Janeiro to develop a PhD. For many years, he worked at the State University of Rio de Janeiro, focusing on Higher Education Policies and Funding of Higher Education in Latin America. He also worked at the Inter-Union Department for Socioeconomic Studies and Statistics, conducting research on Brazil's national financial system. Throughout his career, he has been dedicated to institutional capacity building and networking. In 2000, he joined the Office of International Affairs at the Brazilian Academy of Sciences, where he initially oversaw relations with the Americas. He played an important role in helping establish the InterAmerican Network of Academies of Sciences (IANAS), serving as its Executive Director from its inception until 2010. He also served as Program Director of the Water Program of the InterAcademy Panel on International Issues (IAP), chaired by the Brazilian Academy of Sciences from 2004 to 2011. Over the past twenty years, he has been responsible for coordinating the Brazilian Academy of Sciences’ interactions with major international scientific organizations, such as the InterAcademy Partnership, the International Science Council (ISC), and the Science20 engagement group. In addition, he coordinates several national programs and initiatives, primarily in the fields of science policy, natural resources, health, science education, and environmental issues.