John P. Holdren

c. May 20, 2009 - Present Director, Office of Science and Technology Policy, White House Videos: 10 c. October 6, 1997 - Present Professor, Earth and Planetary Sciences Department, Harvard University Videos: 2 c. January 1, 2008 - Present Director, Science, Technology, and Public Policy Program, Harvard University Videos: 0 c. June 1, 2005 - Present Director, Woods Hole Research Center Videos: 0

Previously

Environmental Policy, Harvard University
Professor
c. January 1, 1996 - c. October 6, 1997 Videos: 3 Energy and Resources Program, University of California
Director
c. July 17, 1991 - c. July 24, 1997 Videos: 2

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