José Muñiz Fernández is a professor of Psychometrics at the University of Oviedo. He obtained his degree in Psychology at the Complutense University of Madrid, and gained his doctorate at that same University. He was assistant professor and deputy of the Complutense University of Madrid until 1984. At that time, he obtained the Chair of Mathematical Psychology at the University of the Balearic Islands. He has published numerous works in national and international journals in the field of psychometric and psychological evaluation. Among his books on various aspects of psychological measurement, it is worth mentioning those of Classical Theory of Tests, Theory of Response to Items, Psychometry, Analysis of Items, or Introduction to Psychophysics. He is member of the Editorial Committee and a reviewer of several scientific journals. He founded the journal Psicothema where he was the director for 25 years. As a Fulbright Scholar, he carried out research projects at the University of Massachusetts (USA), where he is still collaborating in different research projects. He was the president of the European Commission on Tests and Testing, President of the International Test Commission (ITC) and of the European Association of Methodology (EAM). He represented Spain in the international committee that developed the ISO 10667 standard aimed at regulating the evaluation of people in work environments, and he chaired the National Committee that adapted this rule in Spain. Among the different University services that he has lent, it is worth mentioning that he was Vice-Rector for Teaching at the University of Oviedo, Member of the School Board of the Principality of Asturias, President of the Scientific and Technological Research Advisory Council (CAICYT) of the Principality of Asturias, Dean of the Faculty of Psychology and Director of the Department of Psychology of the University of Oviedo.