Juan Arévalo-Torres is an international consultant on Environmental Information Systems and Decision Support tools at IOC-UNESCO. He has a BSc in Environmental Sciences and an MSc in Engineering Applied to Development Projects. He started his professional career as a Data Manager for the Marine Irish Digital Atlas at the University of Cork, Ireland. Afterwards, he moved to Spain where he worked at an International IT company contributing to the development of the Environmental Information System of Andalusia in Spain (REDIAM). At the European Topic Centre on Land Use and Spatial Information of the European Environmental Agency, he was responsible for the technical implementation of the Land and Ecosystem Accounting project, a tool which allows the spatial analysis of environmental variables through the European territory. He was a scientific officer at the Joint Research Centre (JRC) of the European Commission, where he was responsible for the establishment of the Latin American network of knowledge centres in the water sector (RALCEA) leading also the development of several decision support tools, such as the AquaKnow Water Knowledge Management Portal and the Regional Frequency Analysis of Climate Variables (REFRAN-CV) software. He also organised several capacity building activities on environmental information systems and climate change issues for the NEPAD Western African Water Centres of Excellence. In addition to this, he was a professor and academic coordinator of an online GIS course at the University of Girona, Spain. Within the AQUACROSS project, he is mainly involved in WP6, leading the development of the Information Platform.