Took a degree in Archeology at the National School of Anthropology and History and is a researcher at the Chiapas INAH Center. Since 1982 he has worked on several field projects in the state including Chiapa de Corzo and on the Pacific coast of Chiapas. He has written numerous academic and popular articles, including exhibition briefs. He is the co-author of the book Canto versus Canto. Manufactura de artefactos líticos en Chiapa de Corzo, Chiapas (1990), as well as the book La Reina Roja. Una tumba real de Palenque (2011). He is the Director of the Palenque Archeological Project (INAH).