Ernst Koster professor of clinical psychology at the University of Gent. His work focuses on the role of cognitive processes as risk factor for anxiety and depression. In this respect he examines : basic cognition & emotion interactions, the nature of information-processing biases in anxiety and depression, the malleability of cognitive risk factors for anxiety and depression. Ernst Koster has been (co-) author on major papers that advance new frameworks on the role of attention in depression and rumination, the integration of biological and cognitive risk factors for depression. Moreover, recent work has shown that it is possible to modify cognitive risk factors using innovative methods to change attention and working memory capacity. This work has important potential for applied clinical interventions.