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Senior Fellows
Steven E. Koonin
Under Secretary for Science, US Department of Energy

Areas of Interest:

national security, higher education, global environmental change, energy

Dr. Steven E. Koonin served as the second Undersecretary for Science in the U.S. Department of Energy (DOE) from May 19, 2009 to November 18, 2011. Dr. Koonin brought to the post a distinguished career as a university professor and administrator at the California Institute of Technology. He also has experience in the private sector, joining the government from the position of Chief Scientist for BP, plc, based in London.

As Under Secretary for Science, Koonin functioned as the Department's chief scientific officer, coordinating and overseeing research across the DOE. He led the preparation of the Department's 2011 Strategic Plan ( and was the principle author of its first Quadrennial Technology Review ( Koonin particularly championed research programs in High Performance Simulation, Exascale Computing, Inertial Fusion Energy, and Greenhouse Gas Monitoring, Reporting, and Verification. He also provided technical counsel on diverse nuclear security matters.

At BP from 2004-9, Koonin was responsible for the long-range technology strategy of going 'beyond petroleum' to alternative and renewable energy sources, providing technical advice to senior executives, and managing in the firm's university-based research programs. Koonin played a central role in BP's establishing the Energy Biosciences Institute at the University of California Berkeley, the Lawrence Berkeley National Laboratory, and the University of Illinois at Urbana-Champaign. Koonin joined the Caltech faculty in 1975, was a research fellow at the Neils Bohr Institute during 1976 - 1977, and was an Alfred P. Sloan Foundation Fellow during 1977 - 1979. He became a full professor of theoretical physics at Caltech in 1981 and served as Chairman of the Faculty from 1989 - 1991. Dr. Koonin was the seventh provost of Caltech (from 1995 - 2004). In that capacity, he was involved in identifying and recruiting 1/3 of the Institute's professorial faculty and left an enduring legacy of academic and research initiatives in the biological, physical, earth, and social sciences, as well as the planning and development of the Thirty-Meter Telescope project.

Dr. Koonin is a member and past chair of the JASON Study Group, advising the U.S. Government on defense science and technology. Koonin has served on numerous advisory committees for the Department of Energy, the National Science Foundation, and the Department of Defense. He is a member of the Council on Foreign Relations, has served on the Trilateral Commission, and is a fellow of the American Physical Society, the American Association for the Advancement of Science, and the American Academy of Arts and Sciences

His research interests have included nuclear astrophysics; theoretical nuclear, computational, and many-body physics; and global environmental science. He has been involved in scientific computing throughout his career and is a strong advocate for research into renewable energies and alternate fuel sources. His academic research in computational and nuclear physics has impacted the direction of science both nationally and internationally. Koonin has supervised more than 25 PhD students, produced more than 200 peer-reviewed research publications, and authored or edited 3 books, including a pioneering textbook on Computational Physics in 1985. Dr. Koonin was born in Brooklyn, New York, received his B.S. in Physics from Caltech in 1972, worked as a summer graduate student at Los Alamos from 1972-1975 and received his Ph.D. in Theoretical Physics from the Massachusetts Institute of Technology (MIT) in 1975. He received the Humboldt Senior U.S. Scientist Award in 1985 and the E. O. Lawrence Award from the Department of Energy in 1998 for " his broad impact on nuclear many-body physics, on astrophysics, and on a variety of related fields where sophisticated numerical methods are essential; and in particular, for his breakthrough in nuclear shell model calculations centered on an ingenious method for idealing ,with the huge matrices of heavy nuclei by using path integral methods combined with the Monte Carlo technique." . He was elected to the National Academy of Sciences in 2010.

Dr. Koonin currently works at the Institute for Defense Analyses in Washington D.C., and will take up an academic position sometime in 2012.

Updated 2/22/2012

Senior Fellows Roster