Xavier Noël is a professor of psychology and medicine at the Université libre de Bruxelles (ULB), where he is affiliated with the Laboratory of Medical Psychology and Addictology within the ULB Neuroscience Institute. His research focuses on the cognitive and motivational determinants of compulsive behaviour in addiction and gambling disorder, with a particular interest in goal-directed control, interoception, and computational approaches to decision-making. He has published extensively in journals including Neuroscience and Biobehavioral Reviews, Journal of Behavioral Addictions, and PLoS ONE.