Graduate in Mathematics (UAB) and PhD in Mathematics (UB) with IEC Josep Teixidor Award (2001). Postdoctoral stay at CUNY New York (2000-2001) and later at University of Nebraska (2004), University of Berkeley (2007), McGill University Montreal (2010) and University of Bristol (2016-2017). Researcher in Number Theory and Mathematics Education; very interested in building bridges between mathematics and mathematics education. Currently: Deputy director of the Institute of Educational Sciences at UPC, and representative for Service-Learning at ApSUCAT. President of Catalan Mathematical Society.