Kathleen CostelloKathleen Costello, MS, ANP-BC, MSCN, is the vice president of healthcare access for the National Multiple Sclerosis Society and a past president of the International Organization of Multiple Sclerosis Nurses. She is also a nurse practitioner and adjuct assistant professor at the Johns Hopkins MS Center located in Baltimore, Maryland. Ms. Costello has written and lectured extensively on MS and MS care. She received her BSN and MS from the University of Maryland. Read More Read Less