Susan Gauthier, DO, MPH is an Associate Professor of Clinical Neurology at Weill Cornell Medical Center (WCMC), New York NY. Dr. Gauthier is an established clinical investigator in the field of multiple sclerosis and the director of clinical research at the Weill Cornell Multiple Sclerosis Center. Her research is focused on developing imaging biomarkers to explore biological mechanisms at play in multiple sclerosis with a specific interest in quantification of myelin and inflammation. She is the Weill Cornell site PI for the Columbia University Medical Center-Weill Cornell Medical Center NEXT site, and will be responsible for overseeing all NEXT study activities at WCMC, and liaison with CUMC PIs and personnel.