Bachelor of Science in Mathematics and Chemistry, University Southwestern Louisiana, Lafayette, 1961. Doctor of Philosophy in Physical Chemistry, California Institute of Technology, 1965.
Research assistant, California Institute Technology, Pasadena, 1963-1965;
research scientist, The Upjohn Company, Kalamazoo, Michigan, 1965-1971;
senior research scientist, The Upjohn Company, Kalamazoo, Michigan, 1971-1979;
distinguished scientist, The Upjohn Company, Kalamazoo, Michigan, 1979-1988;
director physical and analytical chemistry, The Upjohn Company, Kalamazoo, Michigan, 1988-1994;
executive director information technical Research and Development, The Upjohn Company, Kalamazoo, 1994-1996. Member United States National Common for Crystallography, NAS, Washington, 1981-1983. National chairman Harris User's Exch., 1985-1986, 1989-1991.
Consultant D&A Consulting, Kalamazoo, since 1996.
Active American Youth Soccer Organization. Member American Chemical Society, American Crystallographic Association (president 1990), Association Computing Machinery, Analytical Laboratory Managers Association (president 1994).
Son of Clarence Joseph and Marie (Fournet) D. M. Annette Vivienne Sleigh, May 9, 1964. Children: James C., Vivienne A., Joseph E.