the 4th BELIEF International symposium will focus on "e-Infrastructures and Sustainability Development". The event will be supported by the GLOBAL consortium. It will be opened by representatives from the Government of São Paulo and from the EC Delegation to Brazil. It will engage experts from the areas of eHealth, eEducation, and eScience in order to discuss and understand in deeper detail what has already been done in terms of sustainable development by adopting e-Infrastructures and the necessary future steps to be addressed and taken into account by policy makers and decisions makers.