The National Institute of Standards and Technology succeeded the National Bureau of Standards in 1988. Following is a list of the directors of both agencies. The number of NIST directors is a continuation of the number of NBS directors since Raman is considered the 18th NIST director.
Image Director Term start Term end 1 Samuel W. Stratton 1901 1922 2 George K. Burgess 1923 1932 3 Lyman J. Briggs 1932 1945 4 Edward U. Condon 1945 1951 5 Allen V. Astin 1951 1969 6 Lewis M. Branscomb 1969 1972 7 Richard W. Roberts 1973 1975 acting Ernest Ambler 1975 1977 8 1977 1989 9 John W. Lyons 1990 1993 10 Arati Prabhakar May 1993 1997 acting Robert Hebner 1997 November 1997 11 Raymond G. Kammer November 12, 1997 December 2000 acting Karen Brown December 2000 December 2001 12 Arden L. Bement Jr. December 2001 November 2004 acting Hratch Semerjian November 2004 July 2005 13 William A. Jeffrey July 26, 2005 September 2, 2007 acting James M. Turner September 3, 2007 September 2008 acting Patrick D. Gallagher September 2008 November 5, 2009 14 November 5, 2009 June 13, 2014 acting Willie E. May June 14, 2014 May 3, 2015 15 May 4, 2015 January 3, 2017 Acting Kent Rochford January 4, 2017 October 15, 2017 16 Walter Copan October 16, 2017 January 19, 2021 acting James K. Olthoff January 20, 2021 April 18, 2022 17 Laurie E. Locascio April 19, 2022 December 31, 2024 acting Charles H. Romine January 1, 2025 January 20, 2025 acting Craig Burkhardt January 20, 2025 June 29, 2026 18 Arvind Raman June 30, 2026 Present
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