Juanjo is Chief Technology Officer (CTO) of the FIWARE Foundation, Chairman of the FIWARE Technical Steering Committee, and coordinating FIWARE Tech Roadmap. He also supports the development of the vision and value proposition of FIWARE in the several domains where it is applied. FIWARE is an open source framework driving the definition of standards for digital twins that eases the development of smart solutions in multiple sectors. It has been adopted already by 250+ cities around the world as basis for creation of their smart cities platform.