Research Interests:

• Theoretical and experimental investigation of radiation effects in materials, including: primary damage formation in irradiated materials, radiation-induced embrittlement in fission reactor pressure vessel steels; influence of radiation on ac and dc electrical properties of ceramic insulators; microstructural evolution and helium effects in fast neutron irradiated materials; thermal and fast reactor fuel performance.

Education:

• Ph.D., University of California, Santa Barbara, 1987
• M.S., University of Wisconsin, 1979
• B.S., University of California, Santa Barbara, 1978

Professional Experience:

• 1984 - present Research Staff, Nuclear Materials Science & Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN
  • 2000 - present, Adjunct Professor, University of Michigan, Nuclear Engineering and Radiological Sciences.
  • 2001 and 2004 Temporary assignments, Office of Basic Energy Sciences, U.S. Department of Energy, Germantown, MD
  • 1997 Invited foreign research appointment, Materials Science and Engineering Department Japanese Atomic Energy Research Institute, Tokai, JAPA
  • 1994 Visiting scientist with Materials Performance Department, Harwell Laboratory: AEA Technology, Harwell, UK
  • 1990-1991 Visiting Researcher, Department of Chemical and Nuclear Engineering, University of California, Santa Barbara, CA, (ORNL sabbatical)
• 1980-1981 Research associate and research assistant, Department of Chemical and Nuclear Engineering, University of California, Santa Barbara, CA
• 1979-1980 Engineering staff, Advanced Reactor Systems Department, General Electric Co., Sunnyvale, CA

Honors and Awards:

• 2009 Fellow of American Nuclear Society2007 Fellow of ASM International
• 1995 Fellow of ASTM
• 1995 ASTM Award of Merit
• 1995 Microscopy Society of America, Best Poster in Physical Sciences
• 1990 ASTM Award of Appreciation
• 1990 U.S. DOE Materials Science Research Competition Award
• 1988 ASTM Award of Appreciation
• 1982-1984 U.S. DOE Magnetic Fusion Energy Fellow
• Tau Beta Pi

Major Professional Activities:

• Chairman: Ad hoc Program Planning Committee for Theory and Modeling, Office of Fusion Energy Sciences, U.S. DOE, 1998–1999
• Invited member of International Task Force on Redefinition of Basic Damage Parameters for Materials Under Irradiation, Nuclear Energy Agency of the Organization for Economic Cooperation Development, 1998–1999
• Member, International Group on Radiation Damage Mechanisms in Reactor Pressure Vessel Steels, 1991–present, Technical Area for Environmental and Metallurgical Variables, Co-coordinator 2009
• General Chairman, 15th ANS Topical Meeting on Technology of Fusion Energy, 2002
• Co-editor, 9th International Conference of Fusion Reactor Materials, 1999
• Co-editor, 5th International Conference of Fusion Reactor Materials, 1991
• General Chairman and editor of proceedings, 15th ASTM International Symposium on the Effects of Radiation on Materials, 1990
• Co-Chairman and editor of proceedings, 14th ASTM International Symposium on the Effects of Radiation on Materials. 1988
• Member, ASM International, 1986–present
• Member, American Nuclear Society, 1976–present
  • Fusion Energy Division Executive Committee, 2001–09, Vice chairman, 2007, Chairman, 2008
• Member, American Society of Testing and Materials, 1987–present
  • Board of Directors, Vice-Chairman (2008-09), Chairman of Finance and Audit Committee (2007), Director 2004–06
  • Chairman, Committee E10 on Nuclear Technology and Applications, 2001–2007
  • Chairman, Subcommittee E10.08 on Neutron Radiation Damage Simulation, 1990–present
  • Member, Standing Committee on Publications, 1993–2003; Chairman, 2002–2003

Selected Publications: