Tomas Diez is an influential figure in digital fabrication and urban innovation. He co-founded Fab Lab Barcelona and the Smart Citizen project and has catalysed the global Fab City movement, advocating for locally productive and globally connected regenerative cities. His expertise in digital fabrication, urbanism, and open-source practices has driven advancements in smart cities, advocating for inclusive, people and planet-centred designs. Diez, a sought-after speaker, educator, and author empowers global communities to harness technology for positive urban transformations. By fostering collaboration between academia, industry, and communities, Diez strives to reshape urban landscapes into dynamic, regenerative ecosystems.