<Dl> <Dd> <Ul> <Li> William Nobel Clark (US): 1948 </Li> <Li> Sir Herbert Broadley (UK): 1948--1958 </Li> <Li> Friedrich Traugott Wahlen (Switzerland): 1958--1959 </Li> <Li> Norman C. Wright (UK): 1959--1963 </Li> <Li> Oris V. Wells (US): 1963--1971 </Li> <Li> Roy I. Jackson (US): 1971--1978 </Li> <Li> Ralph W. Phillips (US): 1978--1981 </Li> <Li> Edward M. West (UK): 1981--1985 </Li> <Li> Declan J. Walton (Ireland): 1986--1987 </Li> <Li> Howard Hjort (US): 1992--1997 </Li> <Li> Vikram J. Shah (ad personam) (UK): 1992--1995 </Li> <Li> David A. Harcharik (US): 1998--2007 </Li> <Li> James G. Butler (US): 2008--2010 </Li> <Li> Changchui He (China) (Operations): 2009--2011 </Li> <Li> Ann Tutwiler (US) (Knowledge): 2011--2012 </Li> <Li> Manoj Juneja (India) (Operations): 2011--2012 </Li> <Li> Dan Gustafson (US) (Programmes): 2012--present </Li> <Li> Maria Helena Semedo (Cape Verde) (Climate and Natural Resources): 2013--present </Li> <Li> Laurent Thomas (France) (Operations): 2017 - present </Li> </Ul> </Dd> </Dl> <Dd> <Ul> <Li> William Nobel Clark (US): 1948 </Li> <Li> Sir Herbert Broadley (UK): 1948--1958 </Li> <Li> Friedrich Traugott Wahlen (Switzerland): 1958--1959 </Li> <Li> Norman C. Wright (UK): 1959--1963 </Li> <Li> Oris V. Wells (US): 1963--1971 </Li> <Li> Roy I. Jackson (US): 1971--1978 </Li> <Li> Ralph W. Phillips (US): 1978--1981 </Li> <Li> Edward M. West (UK): 1981--1985 </Li> <Li> Declan J. Walton (Ireland): 1986--1987 </Li> <Li> Howard Hjort (US): 1992--1997 </Li> <Li> Vikram J. Shah (ad personam) (UK): 1992--1995 </Li> <Li> David A. Harcharik (US): 1998--2007 </Li> <Li> James G. Butler (US): 2008--2010 </Li> <Li> Changchui He (China) (Operations): 2009--2011 </Li> <Li> Ann Tutwiler (US) (Knowledge): 2011--2012 </Li> <Li> Manoj Juneja (India) (Operations): 2011--2012 </Li> <Li> Dan Gustafson (US) (Programmes): 2012--present </Li> <Li> Maria Helena Semedo (Cape Verde) (Climate and Natural Resources): 2013--present </Li> <Li> Laurent Thomas (France) (Operations): 2017 - present </Li> </Ul> </Dd> <Ul> <Li> William Nobel Clark (US): 1948 </Li> <Li> Sir Herbert Broadley (UK): 1948--1958 </Li> <Li> Friedrich Traugott Wahlen (Switzerland): 1958--1959 </Li> <Li> Norman C. Wright (UK): 1959--1963 </Li> <Li> Oris V. Wells (US): 1963--1971 </Li> <Li> Roy I. Jackson (US): 1971--1978 </Li> <Li> Ralph W. Phillips (US): 1978--1981 </Li> <Li> Edward M. West (UK): 1981--1985 </Li> <Li> Declan J. Walton (Ireland): 1986--1987 </Li> <Li> Howard Hjort (US): 1992--1997 </Li> <Li> Vikram J. Shah (ad personam) (UK): 1992--1995 </Li> <Li> David A. Harcharik (US): 1998--2007 </Li> <Li> James G. Butler (US): 2008--2010 </Li> <Li> Changchui He (China) (Operations): 2009--2011 </Li> <Li> Ann Tutwiler (US) (Knowledge): 2011--2012 </Li> <Li> Manoj Juneja (India) (Operations): 2011--2012 </Li> <Li> Dan Gustafson (US) (Programmes): 2012--present </Li> <Li> Maria Helena Semedo (Cape Verde) (Climate and Natural Resources): 2013--present </Li> <Li> Laurent Thomas (France) (Operations): 2017 - present </Li> </Ul> <Li> William Nobel Clark (US): 1948 </Li>

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