Dr. Martínez de Pinillos holds a degree in Humanities in the field of Historical Heritage and obtained the International PhD in Dental Anthropology from the University of Burgos, the University of Oviedo and the University of Alcalá. She obtained a Juan de la Cierva-Incorporacion in 2020 and currently holds a postdoctoral contract at the National Center for Research on Human Evolution (CENIEH), within the ERC-Tied2Teeth project led by Leslea J. Hlusko. She has developed her research career at CENIEH under the supervision of Professor José María Bermúdez de Castro and Dr. María Martinón-Torres and is a member of the Atapuerca Research Team since 2004. In 2014, she promoted together with Chitina Moreno-Torres, the Ratón Pérez Project for collecting deciduous teeth. Today, she coordinates the collection campaigns at national and international level and manages the Ratón Pérez Collection.
Beatriz Delgado Esteban has a degree in Journalism from the University of Valladolid and a degree in History and Heritage from the University of Burgos with a specialization in Physical Anthropology through the Master in Human Evolution. She works at the National Center for Research on Human Evolution (CENIEH) as a technician in the Ratón Pérez collection where she carries out the classification of the decidual teeth. It is also responsible for the visibility of the collection through social networks and will support the organization of the 2023 national and international tooth collection campaigns.