He received a BA (1990) from the Universitat Autonoma de Barcelona (Spain), and a master (1995) and a PhD (1997) from Emory University, Atlanta (USA). From 1997 to 1999 he was a lecturer at the School of Biological Sciences at the University of Liverpool (UK) where he taught courses on primate cognition and cognitive evolution. In 1999 he moved to the Max Planck Institute for Evolutionary Anthropology in Leipzig (Germany) where he is currently a senior scientist and director of the Wolfgang Köhler Primate Research Center. He has published two books and nearly two hundred research articles and book chapters on the cognition and behavior of apes and other animals and has presented his work on numerous occasions at international meetings. He is currently the associate editor of the ‘Journal of Comparative Psychology’ and a member of the editorial board of several other academic journals.