Matthias Riepe after graduating, Matthias served in several positions at the University of Münster and the Humboldt University Berlin (Charité) and Ulm University in Germany, the Center for Research on Occupational and Environmental Toxicology in Portland, Oregon, USA, and at the Wadsworth Center for Laboratories and Research in Albany, New York, USA. He is board-certified in Neurology, Psychiatry and Psychotherapy, and Geriatrics. Matthias held positions as Full Professor of Old Age Psychiatry at the Charité Medical Faculty in Berlin and is currently at Ulm University and Head of the University’s Division of Old Age Psychiatry and the Department of Geriatrics and Old Age Psychiatry at Bezirkskrankenhaus Günzburg.