Saud A. Sadiq, MD, FAAN is the Founder and Director of the International Multiple Sclerosis Management Practice, and Director and Chief Research Scientist of the Tisch MS Research Center of New York. These two institutions opened their doors together in 2006 and constitute the largest independent facility dedicated to MS in the world. 

Dr. Sadiq is a board-certified neurologist who completed medical school at the University of Nairobi and residency training in Internal Medicine in Kenya and in England. He then completed a residency in Neurology at the University of Texas, and a fellowship at Columbia University in New York. He has served as both Director and Chairman of the Department of Neurology at St. Luke’s-Roosevelt, and held faculty appointments at Columbia University and Albert Einstein College of Medicine. He has over a 100 publications and has done pioneering work in developing intrathecal therapy for patients with MS. 

Clinically, Dr. Sadiq is an internationally acknowledged expert in multiple sclerosis management. He is among a select few MS specialists who have a full-time clinical practice and can combine it with directing a productive laboratory-based research program. 

James W. Stark, MD, FAAN is a board-certified neurologist at IMSMP. He received his bachelor's degree with distinction from Boston University and completed medical school at the Albert Einstein College of Medicine. Originally from New York, he continued at Einstein for his neurology residency training and was designated a chief resident of neurology during his final year. He then completed a two-year neuroimmunology fellowship at the Tisch MS Research Center of New York with Dr. Sadiq. 

In addition to patient care, Dr. Stark serves as the Director of Clinical Trials at IMSMP and has presented clinical research on MS at numerous medical conferences. In 2019, Dr. Stark was elected a Fellow Member of the American Academy of Neurology (FAAN). To receive this prestigious honor, accomplishments both academically and clinically were taken into consideration. These include the publication of papers and representations at national meetings as well as consistent and significant service in the area of clinical neurology which goes above and beyond and promotes the neurosciences. 

Armistead D. Williams III, MD, is the Associate Medical Director at the International Multiple Sclerosis Management Practice. He received his BA with majors in biology and studio art at the University of Virginia. He received his MD and completed his medical internship at the University of Virginia Medical Center. He trained in neurology at The Neurological Institute of New York at Columbia University Medical Center, one of the nation's foremost neurology centers. During his residency, he was awarded the 2005 Daniel Sciarra Patient Care Award for outstanding patient care and humanism. He joined IMSMP in 2007 after a two-year neuroimmunology fellowship with Dr. Sadiq.

Dr. Mahsa Mohajery is a board-certified neurologist and fellowship-trained neuroimmunologist. She completed her medical education in Iran before moving to the United States for further training. Dr. Mohajery completed her internship at Rutgers University in New Jersey, followed by a neurology residency at Hackensack University Medical Center, JFK Neuroscience Institute, where she was selected as Chief Resident in her final year.

Following her residency, Dr. Mohajery joined the Tisch MS Research Center, where she completed her neuroimmunology fellowship under the mentorship of Dr. Saud Sadiq. During her fellowship, she was actively involved in both patient care and clinical research, contributing significantly to advancements in the field of neuroimmunology. Beyond her professional life, Dr. Mohajery is a mother of a young toddler, which deepens her empathy and enhances her ability to relate to and support her patients in managing their health alongside their everyday responsibilities.