holds the professorship for clinical neurosciences and is director of the center for clinical neurosciences as well as deputy clinical director of the clinic and polyclinic for neurology at the center for clinical neurosciences at the Neurological University Hospital Dresden. During his postdoctoral stay at the Max Planck Institute for Neurobiology, Department of Neuroimmunology in Munich-Martinsried, he dealt with neuroimmunological questions. After his return to Dresden in 2004, he set up the neuroimmunological laboratory (NIL), in which animal experiments, molecular biology and cell culture-immunology are carried out. In 2006, Ziemssen founded the MS Center at the University Hospital in Dresden. Since the beginning of 2020, he has also been the scientific director of the “Multiple Sclerosis Management” master’s degree program.