Dr. Rios is a Research Staff Member of the Cognitive Computing Department at the IBM Research Division. He received a PhD degree in statistics and operation research from Rey Juan Carlos University in Spain and obtained his B.S and M.S. degrees in mathematics from Universidad Complutense, also in Spain. He joined IBM Research in 2010. Prior to joining IBM, he has held several research positions at the University of Manchester, University of Luxembourg, Aalborg University, SAMSI (Statistical and Applied Mathematical Sciences Institute), and Concordia University.