is a Swiss psychiatry researcher, psychiatrist and psychotherapist.
He is professor and chair of psychiatry and psychotherapy at the University of Fribourg (Switzerland).
His research areas covers stress, depression, bipolar disorders, and eating disorders.
His most frequently cited findings include:
Discovery of an association between short sleep duration and obesity (published in 2004)[1]
Demonstration of GABA, glutamate, and glutamine abnormalities in depression
Elucidation of the role of dopamine and norepinephrine in bulimia nervosa
Discovery of markedly reduced metabotropic glutamate receptor 5 in smokers and ex-smokersHis work has been honored by various international awards, including the United States’ NARSAD Independent Investigator Award and the Robert Bing Award of the Swiss Academy of Medical Sciences.
He is author of a book on resiliency and on the gut-brain-connection, both published in German (“Resilienz: Der Wir-Faktor”, Schattauer-Verlag, "Die Darm-Hirn-Connection: Revolutionäres Wissen für unsere psychische und körperliche Gesundheit", Schattauer-Verlag).