I am a Prehistoric Rock Art Specialist. I earned my Ph.D. in 2006 and currently serve as the Head of the Archaeology Department at the Junta de Extremadura. Additionally, I am a Guest Professor at the Polytechnic Institute of Tomar, where I teach the course 'Peninsular Neolithic Art' in the Erasmus Mundus Master in Quaternary and Prehistory at UTAD - IPT University (Portugal). I also hold the position of Senior Researcher at the Museum of Prehistoric Art and Sacred Art of the Tajo Valley (Portugal) and serve as the president of the International Federation of Rock Art Organizations (IFRAO-SPAIN). I have authored over a hundred specialized publications or editions on rock art, including Rock Art in the Guadiana Basin (2006), and the series Corpus of Rock Art in Extremadura, consisting of four volumes (Volume I - 2005, Volume II - 2007, Volume III - 2015, and Volume IV - 2017; all co-authored with José Julio García Arranz). I have also contributed to international editions such as The Levantine Question (2012) (with George Nash and José Julio García Arranz), Symbols in the Landscape: Rock Art and its Context (2015), and Handpas. Hands of the Past. Catalog of Hand Representations in Palaeolithic Rock Art of the Iberian Peninsula (2018). Furthermore, I am a co-author of the article published in the prestigious journal SCIENCE: 'U-Th Dating of Carbonate Crusts Reveals Neanderthal Origin of Iberian Cave Art,' which discusses the Neanderthal authorship of cave art in various caves