CB = Central Bureau
CC = Combination Centre
CRC = Combination Research Centre(s)
DB = Directing Board
GGFC = Global Geophysical Fluids Centre
| Function | Period |
|---|---|
| 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 | June 2024 - 31 Mar. 2026 |
| 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 |
| Daniel Veillette - USA | |
| Primary scientist of the ICRS Centre | since 1 Apr. 2026 |
| 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 |
