Dr. Palmeira is an Associate Professor at the Universidade Lusófona de Humanidades e Tecnologias, Faculty of Physical Education and Sport, in Lisbon, Portugal. He has a multidisciplinary academic background, with Physical Education and Sport (BSc), Sport Psychology (MSc), and Exercise and Health (PhD) degrees, all from the Faculty of Human Movement, Technical University of Lisbon. At the Universidade Lusófona he is Coordinator of the Center for Studies in Exercise and Health since 2005, the Director of the Masters Program in Exercise and Well-Being and the Co-Coordinator of the PhD program in Physical Education and Sport. Behavior change in obesity treatment is his major focus of research. He began looking at the predictive power of several behavior change theories , and now he is narrowing his focus to the role of treatment changes in subjective well-being and body image variables as potential predictors of long-term weight loss. He is 41 years old and father of two children.