Eugene O. "Gene" Major is a senior investigator at the National Institute of Neurological Disorders and Stroke (NINDS), a part of the United States National Institutes of Health (NIH). Major conducts research into the neurological diseases including progressive multifocal leukoencephalopathy (PML), caused by JC virus and often found in immunosuppressed patients such as those with HIV/AIDS. Major has published over 140 scientific articles and reviews in the peer-reviewed literature[1] and has contributed to Fields Virology, a standard virology textbook.[2]