Employment History

• April 1994 - present, Senior Scientist, Scalable Computing Laboratory, Applied Mathematical Sciences, Ames Laboratory, U.S. Dept. of Energy, Ames, Iowa.

  • Adjunct Associate Professor of Computer Science, Iowa State University.

• Oct. 1993 - April 1994, Research Scientist, Center for Research on Parallel Computation, Rice University, Houston, Texas.

• March 1983 - Sept. 1993, Staff Research Computer Scientist, Bellaire Research Center, Shell Development Company [Shell Oil], Houston, Texas.

  • Service Recognition Awards - Dec. 1986, Aug. 1988
  • President's Award for Team Excellence - June 1992
  • July 1990 - June 1991, Exchange Scientist, Koninklijke/Shell Exploratie en Produktie Laboratorium, Rijswijk, The Netherlands.

• Dec. 1975 - March 1983, Assistant Professor of Computer Science, The Pennsylvania State University, University Park, Pa.

• summer 1978, Numerical Mathematics Group, Computation Dept., Lawrence Livermore National Laboratory, Livermore, Calif.; Q clearance, lapsed.

• summer 1974, Student Assistant, Institute for Computer Applications in Science and Engineering, NASA Langley Research Center, Hampton, Va.