Dr. Javier Domínguez is a senior scientist at CIEMAT, where he has been working since 1995, specializing in the development of models and geographic information systems applied to renewable energies. He holds a Ph.D. in geography from Complutense University of Madrid and an M.Sc. in cartography, geographic information systems, and remote sensing from Alcalá de Henares University. As a researcher, he has led and collaborated on numerous projects focused on integrating renewable energy sources at both national and local scales, with emphases on rural electrification and sustainable development within international cooperation. His work also includes developing models for evaluating solar potential at the building and neighborhood levels and analyzing sustainable energy mixes at regional and national scales, with a special focus on Latin America. In addition to his research career, he has lectured at several universities in Spain and the United States and has participated in science dissemination programs. He is a member of professional networks and societies, such as the Spanish Geography Association and the Spanish Association of Solar Energy.