Assistant then associate professor audiology Emerson College, Boston, 1970-1975. Associate professor Memphis State University, 1975-1976. Program administrator National Institutes of Health, Bethesda, Maryland, 1976-1983.
Professor, chairman department audiology and speech science Michigan State University, East Lansing, 1983-1989. Director audiology Harvard University Health Service, Cambridge, Massachusetts, 1972-1975. Chairman behavorial & neuroscience study section, subcommittee on communicative science National Institutes of Health, Bethesda, 1986-1988.
Serves as major United States Army Reserve, since 1983. Member American Association for the Advancement of Science, Association Research Otolaryngology, American Speech and Hearing Association (Research award 1972), Acoustical Society of America, National Black Association Speech, Language and Hearing (Service award 1986), National Association for the Advancement of Colored People, National Urban League, Omega Psi Phi.