University of Nebraska - Lincoln, Lincoln, Nebraska
Emeritus Henson Professor, Computer Science and Engineering, August 2011 -
present
Henson Professor, Computer Science and Engineering, August 2000 – August
2011
Chair, Computer
Science and Engineering, August 2000 – August 2008
U. S. Air Force Academy, Colorado Springs, Colorado
Coleman-Richardson Distinguished Visiting Professor, Computer Science,
July 2008 – June 2009
University of Texas at San Antonio, San Antonio, Texas
Director, Division of Computer Science; Professor of Computer
Science , August 1997 - July 2000
Oak Ridge National Laboratory (ORNL), Oak Ridge, Tennessee
Director, Computer Science and Mathematics Division, January
1995-August 1997
Director, Engineering Physics and Mathematics Division, August
1994-January 1995
Head, Mathematical Sciences Section, April 1991 - August 1994
University of Tennessee, Knoxville , TN
Adjunct Professor, Computer Science, 1991 - 1997
Research Institute for Advanced
Computer Science (RIACS), NASA
Ames Research Center, Moffett Field, CA
Director, August 1990 - March 1991
Head, Parallel Systems Division, June 1988 - August 1990
University of Colorado, Colorado Springs, CO
Chairman, Computer Science Department, December 1982 - May 1986
Acting Chairman, Electrical Engineering and Computer Science
Department, March 1981 - December 1982
Professor of Computer Science, September 1980 - June 1988
Carnegie-Mellon University, Pittsburgh, PA
Software Engineering Institute
Visiting Scientist, May - June 1986
Hewlett-Packard Co., Colorado Springs, CO
Visiting Faculty Scientist, July 1986 - August 1987
Kansas State University, Manhattan, KS
Professor of Computer Science and Mathematics, 1979 - 1980
Boeing Computer Services Company, Seattle, WA
Manager, Numerical Analysis, 1977 - 1979 (16 professionals)
Acting Manager, Mathematics and Modeling Unit, February - May 1978
(68 professionals)
Kansas State University, Manhattan , KS
Associate Professor of Computer Science and Mathematics, 1974 -
1977
Assistant Professor of Computer Science and Mathematics, 1970 -
1974
Lawrence Livermore National Laboratory, Livermore, CA
Consultant, 1971 - 1977, 1979 - 1988
Mathematician, Summer 1971 - 1972
Exxon Production Research Company, Houston, TX
Senior Research Mathematician, 1968 - 1970.
Ames Laboratory, Ames, IA
Graduate Research Assistant and Junior Mathematician, 1966 - 1968.
Iowa State University, Ames, IA
Graduate Teaching Assistant and Instructor in Mathematics, 1964 -
1968.
E.I. duPont de Nemours & Co., Chattanooga , TN
Process and Quality Control Engineer, Summers 1963 - 1965.
University of Colorado Computing
Center, Boulder, CO
NSF Research Assistant, Summer 1962.
