CB = Central Bureau
CC = Combination Centre
CRC = Combination Research Centre(s)
DB = Directing Board
GGFC = Global Geophysical Fluids Centre

Zuheir Altamimi - France
Primary scientist of the ITRS CC at Institut Géographique National (IGN)	since 1 Jan. 2001
Primary scientist of the CRC at Institut Géographique National (IGN)	Nov. 2002 - 31 Dec. 2008
Primary scientist of the ITRS Centre	since 1 Jan. 2005
ITRS Centre Representative to the DB	since 1 Jan. 2005
IERS Representative to ICG	since 3 Apr. 2011
IERS Representative to the IGS Directing Board	since 28 Nov. 2023
Ole B. Andersen - Denmark
FAGS Representative to the DB	1 Jan. 1988 - 2000?
Per Helge Andersen - Norway
Primary scientist of the CRC at Forsvarets forskningsinstitutt (FFI, Norwegian Defence Research Establishment)	1 Jan. 2001 - 31 Dec. 2008
Detlef Angermann - Germany
Primary scientist of the CRC at Deutsches Geodätisches Forschungsinstitut (DGFI)	1 Jan. 2001 - 31 Dec. 2008
IERS Representative to IAG Commission 1 (Reference Frames) Steering Committee	since Apr. 2016
GGOS Representative to the DB	since 1 Nov. 2023
E. Felicitas Arias - France
Head of the Celestial Frame Section of the CB	1994 - 31 Dec. 2000
CRF Representative of the CB to the DB	Jan. 1997 - 31 Dec. 2000
Sten Bergstrand - Sweden
Chair of the Working Group on Site Survey and Co-location	1 Jan. 2014 - 31 Dec. 2019
IERS Representatives to the GGOS Bureau of Networks and Observations	27 Mar. 2017 - 31 Dec. 2020
Co-Chair of the Working Group on Site Survey and Co-location	1 Jan. 2020 - Apr. 2024
Richard Biancale (1952-2019) - France
Primary scientist of the CRC at Groupe de Recherches de Géodésie Spatiale (GRGS)	1 Jan. 2001 - 31 Dec. 2008
Chair of the Working Group on Combination at the Observation Level	Oct. 2009 - Apr. 2016
Giuseppe Bianco - Italy
Primary scientist of the CRC at Agenzia Spaziale Italiana (ASI)	Mar. 2003 - 31 Dec. 2008
Christian Bizouard - France
Primary scientist of the Earth Orientation Centre	since 1 Sep. 2015
Earth Orientation Centre Representative to the DB	since 1 Sep. 2015
Primary scientist of the Conventions Centre	since 1 Sep. 2016
Conventions Centre Representative to the DB	1 Sep. 2016 - 31 Dec. 2018, 1 Jan. 2022 - 31 Dec. 2024
Mathis Bloßfeld - Germany
ILRS Representative to the DB	since 1 Jan. 2023
IERS Representative to the IDS Governing Board	since 1 Jan. 2025
Johannes Böhm - Austria
Chair of the IAG/IERS Joint Working Group on GENESIS	since 13 Apr. 2024
Sigrid Böhm - Austria
IVS Representative to the DB	since 21 Mar. 2019
Claude Boucher - France
Head of the Terrestrial Frame Section of the CB	1 Jan. 1988 - 31 Dec. 2000
TRF Representative of the CB to the DB	Jan. 1997 - 31 Dec. 2000
Primary scientist of the ITRS Centre	1 Jan. 2001 - 31 Dec. 2004
ITRS Centre Representative to the DB	1 Jan. 2001 - 31 Dec. 2004
IERS Representative to the IGS Governing Board	1 Jan. 2001 - 19 Feb. 2015
Jean-Paul Boy - France
Co-Chair of the GGFC	May 2014 - Feb. 2015
Head of the GGFC	since Feb. 2016
GGFC Representative to the DB	since Feb. 2016
Carine Bruyninx - Belgium
IGS Representative to the DB	1 Jan. 2001 - 31 Dec. 2003
Aleksander Brzezinski - Poland
IAU Representative to the DB	since Aug. 2009
Sharyl M. Byram - USA
Primary scientist of the Conventions Centre	since 1 Jan. 2025
Conventions Centre Representative to the DB	since 1 Jan. 2025
Hugues Capdeville - France
IDS Representative to the DB	1 Jan. 2015 - 31 Dec. 2022
Nicole Capitaine - France
IAU Representative to the DB	1 Jan. 2005 - July 2009
FAGS Representative to the DB	1 Jan. 2005 - 31 Dec. 2008
William E. Carter - USA
Head of the VLBI Coordinating Centre	1 Jan 1988 - 22 May 1996
VLBI Coordinating Centre Representative to the DB	1 Jan 1988 - 22 May 1996
Benjamin F. Chao - USA
Head of the GGF [1998: MGGF] Coordinating Centre	1 Jan. 1998 - 31 Dec. 2000
GGF [1998: MGGF] Coordinating Centre Representative to the DB	1 Jan. 1998 - 31 Dec. 2000
Head of the GGFC	1 Jan. 2001 - 31 Dec. 2004
GGFC Representative to the DB	1 Jan. 2001 - 31 Dec. 2004
Chair of the GGFC Special Bureau for the Mantle	1 Jan. 2001 - Jan. 2006
Jianli Chen - USA
Chair of the GGFC Special Bureau for Hydrology	since May 2005
Ludwig Combrinck - South Africa
ILRS Representative to the DB	1 Apr. 2016 - 30 Nov. 2017
Clément Courde - France
ILRS Representative to the DB	since 1 Jan. 2023
Claire E. Cramer - USA
Primary scientist of the ICRS Centre	since June 2024
ICRS Centre Representative to the DB	June 2024 - 31 Dec. 2024
Michael Craymer - Canada
IERS Representative to the GGOS Working Group on ITRS Standards	since 24 Aug. 2016
Rolf Dach - Switzerland
IGS Representative to the DB	since Feb. 2016
Elisabetta D'Anastasio - New Zealand
IGS Representative to the DB	since 1 Jan. 2021
Maria A. Davis - USA
IERS Representative to the IAU Standards of Fundamental Astronomy (SOFA) Board	since 28 Jan. 2021
John Dawson - Australia
Chair of the Working Group on Site Survey and Co-location	Feb. 2004 - Dec. 2005
Co-Chair of the Working Group on Site Survey and Co-location	Apr. 2012 - 31 Dec. 2019
Veronique Dehant - Belgium
Chair of the GGFC Special Bureau for the Core	1 Jan. 2001 - June 2002
Robert Dill - Germany
Co-Chair of the Working Group on EOP Prediction	since 1 Jan. 2025
Henryk Dobslaw - Germany
IERS Representative to the IAG ICCM Steering Committee	since 26 Nov. 2020
Chair of the GGFC Special Bureau for the Oceans	since 1 Jan. 2021
Co-Chair of the Working Group on the 2nd Earth Orientation Parameter Prediction Comparison Campaign	9 Mar. 2021 - 31. Dec. 2024
Bryan Dorland - USA
Primary scientist of the ICRS Centre	14 Sep. 2015 - 31 July 2023
ICRS Centre Representative to the DB	14 Sep. 2015 - 31 Dec. 2016, 1 Jan. 2021 - 31 July 2023
Hermann Drewes - Germany
Primary scientist of the ITRS CC at Deutsches Geodätisches Forschungsinstitut (DGFI)	1 Jan. 2001 - Apr. 2010
Kirsten Elger - Germany
IERS Representative to the World Data System	since 28 Jan. 2021
Cornelia Eschelbach - Germany
Co-Chair of the Working Group "Metrology of space geodetic infrastructure"	1 Apr. 2024 - 7 Oct. 2025
Chair of the Working Group "Metrology of space geodetic infrastructure"	since 8 Oct. 2025
IERS Representatives to the GGOS Bureau of Networks and Observations	since 8 Oct. 2025
Hervé Fagard - France
IDS Representative to the DB	Oct. 2003 - June 2009
Martine Feissel (-Vernier) - France
Head of the Central Bureau	1 Jan. 1988 - 31 Dec. 1997
Head of the Earth Orientation Section of the CB	1 Jan. 1988 - 1994
CB Representative to the DB	1 Jan. 1988 - 31 Dec. 1997
IDS Representative to the DB	Oct. 2003 - 31 Oct. 2005
Remi Ferland - Canada
Primary scientist of the ITRS CC at Natural Resources Canada (NRCan; formerly: Geomatics Canada, Geodetic Survey Division)	Feb. 2002 - Dec. 2012
Steven Fisher - USA
IGS Representative to the DB	1 Jan. 2009 - May 2010, 1 Jan. 2013 - Feb. 2016
Daniel Gambis - France
Head of the Earth Orientation Section of the CB	1995 - 31 Dec. 2000
Head of the Central Bureau	1 Jan. 1998 - 31 Dec. 2000
CB Representative to the DB	1 Jan. 1998 - 31 Dec. 2000
Primary scientist of the Earth Orientation Centre	1 Jan. 2001 - 31 Aug. 2015
Earth Orientation Centre Representative to the DB	1 Jan. 2001 - 31 Aug. 2015
Co-Chair of the Working Group on Combination at the Observation Level	Oct. 2009 - Apr. 2016
Bruno Garayt - France
IDS Representative to the DB	Dec. 2009 - Dec. 2012
Ralph A. Gaume - USA
Primary scientist of the ICRS Centre	1 Jan. 2001 - 16 Oct. 2014
ICRS Centre Representative to the DB	1 Jan. 2005 - 31 Dec. 2008, 1 Jan. 2013 - 16 Oct. 2014
Gerd Gendt - Germany
IGS Representative to the DB	Apr. 2003 - 31 Dec. 2007
Richard S. Gross - USA
Chair of the GGFC Special Bureau for the Oceans	1 Jan. 2001 - 31 Dec. 2020
Primary scientist of the CRC at Jet Propulsion Laboratory (JPL)	1 Jan. 2001 - 31 Dec. 2008
Primary scientist of the ITRS CC at Jet Propulsion Laboratory	since Dec. 2012
IERS Representative to the IGS Governing Board	20 Feb. 2015 - 28 Nov. 2023
GGOS Representative to the DB	2 Nov. 2017 - 31 Oct. 2023
Rüdiger Haas - Sweden
IVS Representative to the DB	since 1 May 2009
IERS Representative to the IVS DB	since 16 Oct. 2017
IERS Representative to the IAG ICCM Steering Committee	since 26 Nov. 2020
Christine Hackman - USA
Primary scientist of the Rapid Service/Prediction Centre	Dec. 2014 - 4 Dec. 2020
Rapid Service/Prediction Centre Representative to the DB	Dec. 2014 - 4 Dec. 2020
IERS Representative to the World Data System	26 Sep. 2018 - 4 Dec. 2020
Robert Heinkelmann - Germany
Analysis Coordinator and Member of the DB	since 1 Jan. 2019
IERS Representative to the GGOS Consortium	since 26 June 2019
IERS Representative to the GGOS Bureau of Products and Standards	since 1 Jan. 2019
IERS Representative to IAG Commission 3 (Earth Rotation and Geodynamics) Steering Committee	since 8 Aug. 2019
Chair of the Working Group on the Consistent Realization of TRF, CRF, and EOP	since 13 May 2020
IERS representative to the CCTF Task Group "Towards continuous UTC"	since Jan. 2024
Thomas Herring - USA
Analysis Coordinator and Member of the DB	1 Jan. 2001 - Aug. 2001, 10 Oct. 2010 - 31 Dec. 2018
IERS Representative to the GGOS Bureau of Products and Standards	2010 (?) - 31 Dec. 2018
IERS Representative to the GGOS Consortium	Jan. 2014 - 25 June 2019
IERS Representative to the GGOS Committee on Essential Geodetic Variables	since 2018
IAG / IUGG Representative to the DB	since 7 Dec. 2019
Ryan Hippenstiel - USA
Chair of the Working Group on Site Survey and Co-location	1 Jan. 2020 - 28 Apr. 2025
IERS Representatives to the GGOS Bureau of Networks and Observations	1 Jan. 2021 - 28 Apr. 2025
Urs Hugentobler - Germany
IGS Representative to the DB	May 2010 - Apr. 2011
Erik R. Ivins - USA
Chair of the GGFC Special Bureau for the Mantle	29 June 2006 - 31 Dec. 2009
Adrian Jäggi - Switzerland
Chair of the DB	since 1 Jan. 2025
Gary Johnston - Australia
Chair of the Working Group on Site Survey and Co-location	Jan. 2006 - 31 Dec. 2008
Barbara Kolaczek (1931-2017) - Poland
IAU Representative to the DB	Aug. 1995 - 1999
Frank Lemoine - USA
IDS Representative to the DB	Feb. 2006 - 31 Dec. 2014
Jean-François Lestrade - France
Head of the Celestial Frame Section of the CB	1 Jan. 1988 - 1993
Brian Luzum - USA
Primary scientist of the Conventions Centre	12 July 2005 - 31 Dec. 2015
Conventions Centre Representative to the DB	1 Jan. 2007 - 31 Dec. 2009, 1 Jan. 2013 - 31 Dec. 2015
IERS Representative to the IAU Standards of Fundamental Astronomy (SOFA) Board	2008 - 31 Dec. 2020
Primary scientist of the Rapid Service/Prediction Centre	Sep. 2009 - Dec. 2014
Rapid Service/Prediction Centre Representative to the DB	Sep. 2009 - Dec. 2014
Chair of the Working Group on Prediction	Sep. - Oct. 2009
IERS Representative to IAG Commission 3 (Earth Rotation and Geodynamics) Steering Committee	July 2011 (?) - 7 Aug. 2019
Chair of the DB	1 Jan. 2013 - 31 Dec. 2020
IERS Representative to the IDS Governing Board	1 Jan. 2013 - 31 Dec. 2020
Chopo Ma - USA
Head of the VLBI Coordinating Centre	23 May 1996 - 31 Dec. 2000
VLBI Coordinating Centre Representative to the DB	23 May 1996 - 31 Dec. 2000
IVS Representative to the DB	1 Jan. 2001 - 30 Sep. 2017
IERS Representative to the IVS DB	1 Jan. 2001 - 30 Sep. 2017
Chair of the DB	1 Jan. 2005 - 31 Dec. 2012
Chair of the IERS/IVS Working Group on the Second Realization of the ICRF	Jan. 2007 - 2014
IERS representative to the IDS Governing Board	2009 - 31 Dec. 2012
IERS Representative to IAG Commission 1 (Reference Frames) Steering Committee	July 2011 (?) - Mar. 2016
IERS Representative to the GGOS Consortium	Sep. 2011 - Jan. 2014
Zinovy Malkin - Russia
Primary scientist of the CRC at Institute of Applied Astronomy, St. Petersburg (IAA)	1 Jan. 2001 - July 2006
Dennis D. McCarthy - USA
Head of the Sub-bureau for Rapid Service and Predictions [1988-1989?: Rapid Service Sub-bureau] of the CB	1 Jan. 1988 - 1999?
IERS Representative to the IAU Standards of Fundamental Astronomy (SOFA) Board	1996 - 2007
Sub-bureau for Rapid Service and Predictions Representative to the DB	Jan. 1997 - 1999?
Conventions Representative to the DB	1999? - 31 Dec. 2000
Primary scientist of the Conventions Centre	1 Jan. 2001 - 11 July 2005
Conventions Centre Representative to the DB	1 Jan. 2001 - 31 Dec. 2003
Chuck Meertens - USA
IGS Representative to the DB	Feb. 2016 - 31 Dec. 2020
William G. Melbourne (1930-2019) - USA
Head of the GPS Coordinating Centre	1990? - 31 Dec. 2000
GPS Coordinating Centre Representative to the DB	1989? - 31 Dec. 2000
A. James Miller - USA
Head of the Sub-bureau for Atmospheric Angular Momentum of the CB	1 Jan. 1988 - 31 Dec. 1997
Angelyn W. Moore - USA
IGS Representative to the DB	1 Jan. 2005 - Jan. 2008
Guilhem Moreaux - France
Chair of the IAG/IERS Joint Working Group "Evaluation of the Terrestrial Reference Frames"	since 22 July 2024
Jürgen Müller - Germany
ILRS Representative to the DB	19 Oct. 2006 - 30 Mar. 2016, Apr. 2018 - Nov. 2018
Jolanta Nastula - Poland
Chair of the Working Group on the 2nd Earth Orientation Parameter Prediction Comparison Campaign	since 9 Mar. 2021
Ron Noomen - The Netherlands
ILRS Representative to the DB	1 Jan. 2001 - 18 Oct. 2006
IERS Representative to the IDS Governing Board	23 Sep. 2005 - 2009
Axel Nothnagel - Germany
IVS Representative to the DB	1 Jan. 2001- 30 Apr. 2009
Primary scientist of the CRC at Institute of Geodesy and Geoinformation of the University of Bonn (IGGB) [formerly: Geodetic Institute of the University of Bonn (GIUB)]	1 Jan. 2001 - 31 Dec. 2008
IAG / IUGG Representative to the DB	July 2015 - 6 Dec. 2019
Erricos C. Pavlis - USA
ILRS Representative to the DB	19 Oct. 2006 - 31 Dec. 2022
Gérard Petit - France
Primary scientist of the Conventions Centre	1 Jan. 2001 - 31 Aug. 2016
Conventions Centre Representative to the DB	1 Jan. 2004 - 31 Dec. 2006, 1 Jan. 2010 - 31 Dec. 2012, 1 Jan. 2016 - 31 Aug. 2016
IERS Representative to the GGOS Bureau of Products and Standards	2010 - 2016
Hans-Peter Plag - Norway / USA
Vice-Chair of the GGFC Special Bureau for Loading	1 Feb. 2002 - 31 Dec. 2004
Chair of the GGFC Special Bureau for Loading	1 Jan. 2005 - 31 Dec. 2009
David Pugh (1943-2022) - U.K.
FAGS Representative to the DB	2000? - 31 Dec. 2004
Jim Ray - USA
Head of the Sub-bureau for Rapid Service and Predictions of the CB	1999? - 31 Dec. 2000
Sub-bureau for Rapid Service and Predictions Representative to the DB	1999? - 2000
Primary scientist of the Rapid Service/Prediction Centre	1 Jan. 2001 - May 2002
Rapid Service/Prediction Centre Representative to the DB	1 Jan. 2001 - May 2002
IGS Representative to the DB	1 Jan. 2008 - 31 Dec. 2008
Richard D. Ray - USA
Chair of the GGFC Special Bureau for Tides	1 Jan. 2001 - 31 Dec. 2009
Christoph Reigber - Germany
IUGG Representative to the DB	July 1995 - 31 Dec. 2000
Chair of the DB	1995 - 31 Dec. 2000
Bernd Richter - Germany
Bernd Richter - Germany	1 Jan. 2001 - 31 Mar. 2013
Central Bureau Representative to the DB	1 Jan. 2001 - 31 Mar. 2013
GGOS Representative to the DB	Mar. 2012 - 2 Nov. 2017
IERS Representative to the GGOS Consortium	Sept. 2011 - Mar. 2013
IERS Representatives to the GGOS Bureau of Networks and Observations	2011 (?) - 2016
IERS Representative to the IAU Comm. 19 OC	2001 (?) - 2012
IERS Representative to the World Data System	13 Dec. 2011 - 31 Dec. 2016
Markus Rothacher - Switzerland (formerly Germany)
Primary scientist of the CRC at Forschungseinrichtung Satellitengeodäsie, Technical University Munich (FESG)	1 Jan. 2001 - 31 Dec. 2005
Analysis Coordinator and Member of the DB	Sep. 2001 - 9 Oct. 2010
Primary scientist of the CRC at GeoForschungsZentrum Potsdam (GFZ)	1 Sep. 2005 - 31 Dec. 2008
Chair of the Working Group on Combination	Jan. 2004 - 31 Dec. 2008
David A. Salstein - USA
Head of the Sub-bureau for Atmospheric Angular Momentum of the CB	1996? - 31 Dec. 1997
Chair of the GGFC Special Bureau for the Atmosphere	since 1 Jan. 2001
Pierguido Sarti - Italy
Chair of the Working Group on Site Survey and Co-location	1 Jan. 2009 - 31 Dec. 2013
Jérôme Saunier - France
IDS Representative to the DB	since 1 Jan. 2013
Bob E. Schutz (1940-2015) - USA
Head of the SLR Coordinating Centre	1 Jan. 1988 - 31 Dec. 2000
SLR Coordinating Centre Representative to the DB	1 Jan. 1988 - 31 Dec. 2000
IERS Representative to the ILRS DB	1 Jan. 2001 - 7 June 2015
Manuela Seitz - Germany
Primary scientist of the ITRS CC at Deutsches Geodätisches Forschungsinstitut (DGFI/DGFI-TUM)	since May 2010
Co-Chair of the Working Group on Combination at the Observation Level	? - Apr. 2016
Co-Chair of the Working Group on the Consistent Realization of TRF, CRF, and EOP	since 13 May 2020
Peter Shelus - USA
Head of the LLR Coordinating Centre	mid-1996 - 31 Dec. 2000
LLR Coordinating Centre Representative to the DB	mid-1996 - 31 Dec. 2000
ILRS Representative to the DB	1 Jan. 2001 - 18 Oct. 2006
Patrick Sillard - France
Primary scientist of the CRC at Institut Géographique National (IGN)	1 Jan. 2001 - Oct. 2002
Jean Souchay - France
Primary scientist of the ICRS Centre	since 1 Jan. 2001
ICRS Centre Representative to the DB	1 Jan. 2001 - 31 Dec. 2004, 1 Jan. 2009 - 31 Dec. 2012, 1 Jan. 2017 - 31 Dec. 2020
Laurent Soudarin - France
Chair of the Working Group on Site Coordinate Time Series Format	Apr. 2012 - 13 May 2020
Tim Springer - Germany
IGS Representative to the DB	May 2011 - Feb. 2016
Nick Stamatakos - USA
Primary scientist of the Conventions Centre	since 1 Jan. 2016
IERS Representative to the GGOS Bureau of Products and Standards	since 2017
Conventions Centre Representative to the DB	1 Jan. 2019 - 31 Dec. 2021
Rapid Service/Prediction Centre Representative to the DB	since Dec. 2020
Petr Štěpánek - Czech Republic
IDS Representative to the DB	since 1 Jan. 2023
Andreja Susnik - U.K.
Co-Chair of the IAG/IERS Joint Working Group "Evaluation of the Terrestrial Reference Frames"	since 22 July 2024
Daniela Thaller - Germany (formerly Switzerland)
Chair of the Working Group on SINEX Format	since Apr. 2011
Director of the Central Bureau	since 1 Apr. 2013
Central Bureau Representative to the DB	since 1 Apr. 2013
IERS Representative to the GGOS Consortium	since Apr. 2013
IERS Representative to the IAU Comm. 19 OC	Apr. 2013 - Aug. 2015
IERS Representative to the ILRS DB	since 16 July 2015
IERS Representative to the IAU Comm. A2 OC	since Sep. 2018
Jean-Marie Torre - France
ILRS Representative to the DB	Dec. 2018 - 31 Dec. 2022
Tonie Van Dam - Luxembourg
Head of the GGFC	1 Jan. 2005 - Feb. 2016
GGFC Representative to the DB	1 Jan. 2005 - Feb. 2016
Chair of the GGFC Special Bureau for Loading	1 Feb. 2002 - 31 Dec. 2004
Vice-Chair of the GGFC Special Bureau for Loading	1 Jan. 2005 - 31 Dec. 2009
Chair of the GGFC Special Bureau for Combination	since 1 Jan. 2010
Co-Chair of the GGFC	since Feb. 2016
Chair of the DB	1 Jan. 2021 - 31 Dec. 2024
IERS Representative to the IDS Governing Board	1 Jan. 2021 - 31 Dec. 2024
Tim Van Hoolst - Belgium
Chair of the GGFC Special Bureau for the Core	July 2002 - 31 Dec. 2009
Christian Veillet - USA
Head of the LLR Coordinating Centre	1 Jan. 1988 - mid-1996
LLR Coordinating Centre Representative to the DB	1 Jan. 1988 - mid-1996
Jan Vondrák - Czech Republic
IAU Representative to the DB	2000 - 31 Dec. 2004
Chair of the DB	1 Jan. 2001 - 31 Dec. 2004
Primary scientist of the CRC at Astronomical Institute, Academy of Sciences of the Czech Republic, and Department of Geodesy, Czech Technical University, Prague	1 Jan. 2001 - 31 Dec. 2008
Guangli Wang - China
IVS Representative to the DB	12 Oct. 2017 - Feb. 2019
Michael M. Watkins - USA
Chair of the GGFC Special Bureau for Gravity/Geocenter	1 Jan. 2001 - 31 Dec. 2009
Robert Weber - Austria
IGS Representative to the DB	1 Jan. 2001 - Mar. 2003
George A. Wilkins (1929-2018) - U.K.
IAU Representative to the DB	1 Jan. 1988 - Aug. 1988
Chair of the DB	1 Jan. 1988 - Aug. 1988
Pascal Willis - France/USA
Head of the DORIS Coordinating Centre	1 Oct. 1994 - 31 Dec. 2000
DORIS Coordinating Centre Representative to the DB	1 Oct. 1994 - 31 Dec. 2000, non-voting member
DORIS Representative to the DB	1 Jan. 2001 - July 2003, observing status
Clark R. Wilson - USA
Chair of the GGFC Special Bureau for Hydrology	1 Jan. 2001 - Apr. 2005
IAG / IUGG Representative to the DB	1 Jan. 2001 - June 2015
William H. Wooden - USA
Primary scientist of the Rapid Service/Prediction Centre	Mar. 2003 - Aug. 2009
Rapid Service/Prediction Centre Representative to the DB	Mar. 2003 - Aug. 2009
Chair of the Working Group on Prediction	Dec. 2005 - Aug. 2009
Yaroslav Yatskiv - USSR / Ukraine
IAU Representative to the DB	Aug. 1988 - Aug. 1995
Chair of the DB	1992 - 1995
Koichi Yokoyama - Japan
IUGG Representative to the DB	1 Jan. 1988 - July 1995
Chair of the DB	Aug. 1988 - 1992
Sheng Yuan Zhu - Germany
Primary scientist of the CRC at GeoForschungsZentrum Potsdam (GFZ)	1 Jan. 2001 - 31 Aug. 2005
CRC Representative to the DB	1 Jan. 2001 - 31 Aug. 2005
Function	Period

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