Néstor Antuñano has completed his Chemical Engineering Degree at the age of 23 years from Higher Technical Engineering School of Bilbao (ETSIB), being complemented with a Postgraduate in Advance Materials Engineering, specializing in Metallurgical Engineering from the same university in 2009. He holds a PhD in Extractive Metallurgy at University of Basque Country, working in the SuPrEn Research Group in collaboration with BEFESA STEEL R&D. The project “Development of hydrometallurgical processes for zinc recovery from steelmaking waste" is the tittle of the defended International PhD Thesis in 2015, after a doctoral stage at Service TIPs (Transferts, Interfaces et Procédés) of Université Libre de Bruxelles (ULB) in Brussels (Belgium). His main research interests are sustainable metallurgy, industrial wastes management and metal recycling. After his Ph.D. in 2013 he started working as Mineral Processing Engineer at Metallurgical Research Centre of MINERSA Group, an international group of companies that produce industrial minerals, chemical products, construction products, natural absorbents and bleaching clays.