Dr. Héctor A. Ruiz obtained his B.S in Chemical Engineering (Hons) from the Autonomous University of Coahuila (AUC) (2004, Saltillo, Coahuila, Mexico) and his Ph.D. in Chemical and Biological Engineering from Centre of Biological Engineering at the University of Minho, Portugal in 2011 and was a postdoctoral researcher at University of Minho (Portugal) and University of Vigo (Spain), 2012. Dr. Ruiz worked as lead operating engineer in the chemical industry at Magnelec Industries (Mexico). Dr. Ruiz is a Full Professor in the Faculty of Chemistry Sciences, founder of Biorefinery Group and manager of the biorefinery pilot plant in the Food Research Department at AUC (Mexico) since February 2013, and leader of the biomass pretreatment stage in the Cluster of Bioalcoholes in the Mexican Centre for Innovation in Bioenergy in Mexico.