Paymaan Jafar-Nejad, MD profile page

Dr. Paymaan Jafar-Nejad is a scientific leader in RNA therapeutics and currently serves as executive director at Ionis Pharmaceuticals, Inc. He brings more than two decades of experience in neuroscience and RNA biology, including over a decade focused on oligonucleotide therapeutics and has contributed to a substantial body of scientific publications in the field. Paymann earned his medical degree from Tehran University of Medical Sciences and completed postdoctoral training in Dr. Huda Zoghbi’s laboratory at Baylor College of Medicine, where he investigated mechanisms of neurodegeneration. At Ionis, he has led research programs in neurology and rare diseases, advancing RNA-based therapies into clinical trials for Amyotrophic lateral sclerosis, Angelman syndrome, genetic epileptic encephalopathies and related disorders.