Joan Ohayon is a nurse practitioner in the Neuroimmunology Branch of the National Institutes of Neurological Disorders and Stroke (NINDS) at the National Institutes of Health (NIH) in Bethesda, Maryland.

Joan Ohayon is a Clinically Registered Nurse Practitioner who is taking on her blog for MultipleSclerosisCentral as part of her official duties at the National Institute of Health (NIH). Joan works for the Neuroimmunology Branch of the National Institute of Neurological Disorders and Stroke (NINDS) of the NIH. Joan is an associate investigator in multiple research studies involving treatments and imaging in multiple sclerosis (MS), along with a few studies involved with a rare chronic neurological disorder, HTLV-1 Associated Myelopathy/Tropical Spastic Paraparesis (HAM/TSP). Currently she is focusing on disability and magnetic resonance imaging in MS.

Ohayon is also actively involved with the National Multiple Sclerosis Society, National Capital Chapter. She is their Research Advocate and on their Professional Advisory Committee.

Ohayon's work with the NIH and National Multiple Sclerosis Society proves that she is committed to helping people with MS, their families and communities have a better understanding of the disease. She hopes to improve the overall quality of life for people living with MS through research and education.