Campbell earned her doctoral degree at the University of Iowa in Iowa City (1989), her master’s at the University of South Dakota in Vermillion and her bachelor’s at South Dakota State University in Brookings (1977, 1973).
Campbell is a member of the American Speech-Language-Hearing Association (ASHA), the American Auditory Society, American Academy of Audiology, American Academy of Otolaryngology – Head and Neck Surgery, Association for Research in Otolaryngology and International Evoked Response Audiometry Study Group. She is an ASHA Fellow, received a special presidential citation from the American Academy of Audiology and received the national 2004 Copper Black Award in Creative Achievement from American Mensa for her inventions on otoprotective agents.
Her research is focused on ototoxicity and otoprotective agents. She has served as principal investigator on more than 60 research grants, funded by agencies such as the Veterans Administration, the Illinois Department of Public Health and the National Institutes of Health/National Institute of Aging and National Institute of Deafness and Communication Disorders.