Prof. Dr. Bienvenido Martínez-Navarro is ICREA Research Professor at the Institut Català de Paleoecologia Humana i Evolució Social (IPHES), Spain. He is a paleontologist working on Quaternary mammals from Europe, Asia, and Africa. He earned, from the Universitat Autònoma de Barcelona, a higher degree in Geological Sciences (1987) and a PhD in Geological Sciences (Paleontology) (1991). He has worked on Quaternary mammals and participated in different Plio-Pleistocene projects around the world, been the co-leader of the Baza and Incarcal projects in Spain, the Oued Sarrat project in Tunisia, and the Engel Ela-Ramud project in Eritrea. He also participated in the study of the sites of Buia in Eritrea, Melka Wakena in Ethiopia, and Dmanisi in Georgia, and has worked in the past studying the sites of the Atbara River in Sudan, `Ubeidiya, Gesher Benot Ya'aqov, and Bizat Ruhama in Israel, Argentario and Pirro Nord in Italy, Vallonnet in France, and Cueva Victoria in Spain. His research interests include Plio-Pleistocene, large mammals, Europe, Asia, Africa, and Human Paleoecology.