Bettina Dahl is currently an associate professor in the UNESCO Center for Problem-Based Learning in Engineering Science and Sustainability (UCPBL Center), Aalborg University, Denmark, and is a professor of Mathematics Education at the University of Bergen (Norway). She obtained her PhD in Mathematics Education from Roskilde University (DK) and has also received an MSc in Mathematics from Aalborg University, and another MSc in Educational Research Methodology from the University of Oxford (UK). Previously, she was an associate professor at Aarhus University (DK) working with educational development in higher education in science and mathematics. Before that, she was an assistant professor at Virginia Tech (USA), working with the mathematics teacher training department for the secondary level. Furthermore, she was an advisor at the Norwegian Centre for Mathematics Education at the Norwegian University of Science and Technology.