Thomas Martens is Professor for Educational Psychology at the Medical School Hamburg. He is contract teacher at the Goethe University of Frankfurt am Main in educational psychology and education. Thomas Martens was senior researcher and test coordinator in the Technology-Based Assessment (TBA) Project at the German Institute for International Educational Research (DIPF) in Frankfurt. Now he is an associated scientist at the DIPF. He holds degrees in psychology and higher education, and a Ph.D in psychology. He served as chair for the “International Conference on Motivation 2012” and led the International Scientific Board for the “International Conference on Motivation 2014”. Thomas Martens coordinated the Special Interest Group “Motivation and Emotions” within the European Association for Learning and Instruction (EARLI) and is Editor-in-Chief of Frontline Learning Research. He is a project manager in the joint project “Sensor Measures of Motivation for Adaptive Learning (SensoMot) (SensoMot)“. Thomas Martens has a strong background in testing and evaluation, e-learning, as well as in motivational regulation.