Secretariat Director of the intergovernmental Group on Earth Observations (GEO) located in Geneva, Switzerland. In this capacity, she leads the Secretariat in coordinating the activities of 104 Member States and the European Commission and 109 Participating Organizations that are integrating Earth observations so that informed decisions can be made across eight Societal Benefit Areas, Biodiversity and Ecosystem Sustainability, Disaster Resilience, Energy and Mineral Resources Management, Food Security, Infrastructure & Transportation Management, Public Health Surveillance, Sustainable Urban Development and Water Resources Management.
Brazilian computer scientist and former director of Brazil's National Institute for Space Research (2006—2013). Researcher in the areas of Geographical Information Science, Spatial Databases, Spatial Analysis and Environmental Modelling. Gilberto is the principal investigator on the area of Spatial Databases and Spatial Environmental Models in the GEOMA research network for Environmental Modelling of Amazonia. Professor in INPE’s graduate programs in remote sensing and computer science, a member of Scientific Steering Committee of the Global Land Project and of the editorial board of the Journal of Earth Science Informatics. In 2011 received an honorary doctorate from the University of Münster.
Director General and Chief Executive Officer of the International Institute for Applied Systems Analysis. Full Professor of Earth System Science at Wageningen University in the Netherlands, Founding Chair and Director of the Royal Dutch Academy of Sciences and Arts Institute for Integrated Research on the Wadden Sea Region, a Member of the Leadership Council for the United Nations Sustainable Development Solutions Network, and Co-Founder of the High Level Alpbach – Laxenburg Group.
Distinguished Professor of Mathematics at Rutgers University and Director of the Command, Control, and Interoperability Center for Advanced Data Analysis (CCICADA). Director Emeritus of DIMACS. Roberts has authored four books, over 185 scientific articles, and edited 21 books. Member of the Board on Mathematical Sciences and Applications at the US National Academy of Sciences, a former member of National Science Foundation advisory committees on International Research and Education, Mathematical and Physical Sciences, and Environmental Research and Education, is on the Steering Committee for the World-Wide Program Mathematics of Planet Earth, and on the Scientific Advisory Committee to the Institute for Applied Systems Analysis (IIASA).