Background
Stephenson, Mark Ray was born on September 13, 1949 in East St. Louis, Illinois, United States. Son of Richard Clark and Muriel May (Cox) Stephenson.
Stephenson, Mark Ray was born on September 13, 1949 in East St. Louis, Illinois, United States. Son of Richard Clark and Muriel May (Cox) Stephenson.
Bachelor of Science, Southern Illinois University, 1972. Master of Science, Southern Illinois University, 1973. Doctor of Philosophy, Ohio State University, 1986.
Graduate assistant, Southern Illinois U., Carbondale, 1972-1973;
second in command Lieutenant, United States Air Force, 1973;
advanced through grades lieutenant colonel, United States Air Force
laboratory biomedical audiologist, Air Force Medical Research Laboratory, Wright-Patterson Air Force Base, Ohio., 1973-1981;
research associate, Air Force Medical Research Laboratory, Wright-Patterson Air Force Base, Ohio., 1983-1984;
chief department audiology, Air Force Regional Medical Center, Clark Air Base, Philippines, 1984-1986;
research audiologist, Armstrong Aerospace Medical Research Laboratory, Wright-Patterson Air Force Base, 1986-1988;
deputy director technical integration division, Air Force Medical Research Laboratory, Wright-Patterson Air Force Base, 1988-1991;
executive manager advanced technical development, Armstrong Laboratory, Brooks Air Force Base, Texas, 1991-1993;
associate chief, United States Air Force biomedical Sciences Corps, 1991-1993;
research audiologist Centers for Disease Control and Prevention,, National Institute for Occupational Safety and Health, since 1993. Consultant American Society of Mechanical Engineers, 1980-1982, committee hearing bioacoustics and biomechanics National Academy Science, 1976-1980, 91-, Command Surgeon of Pacific Air Forces, 1985-1986. Chief consultant in audiology United States Air Force Surgeon General, since 1990.
Adjunct assistant professor The Ohio State University, since 1991.
Counselor merit badge Boy Scouts American, Dayton, coordinator Tiger Cubs, 1986-1987. Member Acoustical Society of America, Ohio Council Audiology, Military Society Audiologists and Speech Pathologists, Air Force Audiology Society (vice president 1991, president 1992), Company Grade Officers Council (president 1976), Alpha Delta Upsilon (president 1970).
Married Ronna Dean Childers, December 30, 1971. Children: Matthew, Andrew.