Director of CEL and Associate Professor in Inorganic Chemistry at the University of Valencia. Graduated in Chemistry at the University of Sevilla in 2004 (“Premio Extraordinario” and “Segundo Premio Nacional”) and obtained his PhD in 2007 at the University of Sheffield (UK). He joined the Institute of Molecular Science (ICMol) in 2009, first as a Juan de la Cierva fellow and then as a Ramón y Cajal fellow (selected nº 1 in Chemistry, 2013). He initiated a new research line on magnetic coordination polymers with dynamic behaviour, which he is currently developing with an ERC-Consolidator Grant (2016). He leads one of the strategic research lines (Metal-Organic Frameworks) of the Maria de Maeztu scientific programme as a “garante” researcher. Guillermo has received international awards such as the “Ludo Frevel Crystallography Scolarship Award” in 2007, from the International Centre for Diffracton Data (only European awardee in 2007); the Gold Medal of the “European Young Chemist Award” in 2008; and the “Dalton Young Research Award” from Royal Society of Chemistry in 2009; and national awards such as the “Premio Fundación Princesa de Girona en Investigación Científica 2018”, “Premio Jóvenes Investigadores RSEQ 2016”, “Premio Científico-Técnico Ciudad de Algemesí 2016”, “Premio Andaluces del Futuro 2016”, “Premio Talento Joven CV 2013”, “Premio Xavier Solans 2011” from the RSEQ and the “Premio para Investigadores Jóvenes 2010” from the Real Academia Sevillana de Ciencias. In 2013, he was selected worldwide to attend the prestigious 63rd Meeting of Nobel Laureates in Lindau (Germany).