Medina-Liberty studied psychology at the Universidad Nacional Autonoma de Mexico and obtained also a Ph.D. in Cultural Anthropology in the Escuela Nacional de Antropologia e Historia. His current areas of specialization are: Language and symbolic capacities development, relationships among language, culture, and mind, and children dreams.

Recently, he won the “Best Conference Paper Award” for his paper Dreams as a Scientific Object, during the 2010 International Conference for Academic Sciences, held at the University of Central Florida.

He is an active member of the Sistema Nacional de Investigadores (National System of Researchers) of the National Council for Research and Development (CONACYT). He has conducted several investigations on language, mind, and culture relationships from a sociocultural framework.

Currently, he is a Full-Time professor in the Department of Psychology at the Universidad Nacional Autonoma de Mexico. He has taught on topics such as methodology, language, and human development.