Graduated from Aristotle University of Thessaloniki, Greece. He earned a Master degree in sports and exercise psychology from Catholic University of Leuven, Belgium and received his PhD from the same university in 2009. He is now an Assistant Professor at the School of Sports Sciences at the National and Kapodistrian University of Athens.

In his research he is mainly focused on motivation in various achievement settings, including sports and physical education settings. He is particularly interested in examining how the social context and personal characteristics determine people’s motivation and in turn their functioning and well-being. His research has been published in a number of international peer-reviewed journals. He is associate editor in Learning and Individual Differences and a member of the editorial board in Sport Exercise and Performance Psychology, and Physical Education and Sport Pedagogy.