Knox (born October 14, 1955) is an American virologist and entrepreneur who founded Viracor, the Wisconsin Viral Research Group (WVRG) and Viracor's Institute for Viral Pathogenesis (IVP).
In 2000, Viracor became the first biotechnology company in the United States to correlate multiple sclerosis with human herpesvirus 6 (HHV-6).