Dr. Oscar Valero graduated in Mathematical Sciences from the University of Valencia and obtained a Ph.D. in Mathematical Sciences from the Polytechnic University of Valencia in 20003. Since then, he has worked as an associate professor in the Department of Mathematics and Computer Science, University of the Balearic Islands (UBI). His research focuses on the theoretical study of generalized metric structures, measures of similarity, fixed point theory, functional analysis, asymmetric topology, fuzzy logic, and the application of theoretical results to engineering, economics, and medicine. Dr. Valero has published more than 140 international research articles in these areas. In addition, he has presented fifty-two communications at several international conferences, seven of which he served as the main speaker. Moreover, he has been president and member of the organizing and scientific committees of several international congresses. He is currently a member of the editorial board of nine international research journals.