GEBCO's work is directed by a Guiding Committee and supported by technical, mapping and outreach sub-committees plus ad hoc working groups.
A complete A to Z listing of GEBCO contacts is available.
- Joint IOC-IHO Guiding Committee for GEBCO
- Technical Sub-Committee on Ocean Mapping
- Sub-Committee on Regional Undersea Mapping
- Sub-Committee on Undersea Feature Names
- Sub-Committee on Communications, Outreach and Public Engagement (SCOPE)
- Sub-Committee on Education and Training (SCET)
- Cook Book Working Group
- NIPPON Foundation/GEBCO Training Project Scholars
- Representatives of the IOC & IHO Secretariats
Joint IOC-IHO Guiding Committee for GEBCO
The Guiding Committee oversees the work of the GEBCO sub-committees and working groups. It consists of five appointees from each of GEBCO's parent organisations, the International Hydrographic Organization (IHO) and the Intergovernmental Oceanographic Commission (IOC) of UNESCO.
Access the Guiding Committee's Terms of Reference and Rules of Procedure from the IHO's web site.
Access the GEBCO Strategy 2024 - 2030 to find out more about GEBCO's vision and mission.

gebco_strategydocument_2024_2030.pdf (11 MB)
A list of Guiding Committee Members is given below.
IHO appointed members
- Mr Evert Flier (Chair), Norwegian Mapping Authority, Norway
- Dr Geoffroy Lamarche, Associate Professor (Hon.), Uni of Auckland, presently Chief Science Adviser to the New Zealand Parliamentary Commissioner for the Environment, New Zealand
- Ms Yerinelys Santos Barrera, National Hydrographic Service-CIOH, Colombia
- Mr David Millar, Fugro, USA
- Mr Hiroaki Saito, Japan
IOC appointed members
- Dr Marzia Rovere (Vice-Chair) ISMAR - Consiglio Nazionale delle Ricerche Institute for Marine Sciences, Italy
- Mr Paul M Brett, Fisheries and Marine Institute of Memorial University, Canada
- Ms Kim Picard Australia
- Commander Prashant Srivastava, Ministry of Earth Sciences Institute for Marine Sciences, India
- Vacant
Ex-officio members
- Mr George Spoelstra (Chair of TSCOM) GGS Geo Consultancy BV (GGSgc), The Netherlands
- Ms Aileen Bohan (Chair of SCRUM) INFOMAR, Geological Survey of Ireland, Ireland
- Chair of SCOPE
- Ms Jennifer Jencks (Director, IHO Data Center for Digital Bathymetry) National Centers for Environmental Information (NCEI), USA
- Dr Yasuhiko Ohara (Chair of SCUFN) Hydrographic and Oceanographic Department of Japan
Secretary: Mr Sam Harper, Permanent Secretary, GEBCO
Technical Sub-Committee on Ocean Mapping (TSCOM)
A list of the sub-committee members is given below.
Access TSCOM's Terms of Reference and Rules of Procedure from the IHO's web site.
- Mr George Spoelstra (Chair of TSCOM), GGS Geo Consultancy BV (GGSgc), The Netherlands
- Ms Federica Foglini (Vice-Chair of TSCOM), ISMAR - Consiglio Nazionale delle Ricerche, Italy
- Ms Aileen Bohan, INFOMAR, Ireland
- Dr Wetherbee Dorshow, Earth Analytic, Inc, USA
- Dr Vicki Ferrini, Lamont-Doherty Earth Observatory, Columbia University, USA
- Mr Leonardo Gomes de Araujo, Diretoria de Hidrografia e Navegação (DHN), Brazil
- Mr Arne Johan Hestnes, Kongsberg Maritime, Sensors & Robotics, Norway
- Ms Erin Heffron, Independent Contractor, Ocean Mapping Services LLC., USA
- Mr Paul Johnson, Center for Coastal and Ocean Mapping (CCOM), University of New Hampshire, USA
- Mr Timothy Kearns, Chief Information Officer, Great Lakes Observing System, USA
- Mr Boele Kuipers, Norway
- Mr Francisco Navidad, NCMI, CSIRO, Australia
- Dr Thierry Schmitt, Service Hydrographique et Oceanographique de la Marine (SHOM), France
- Dr Helen Snaith, British Oceanographic Data Centre (BODC), National Oceanography Centre (NOC), UK
- Ms Heather Stafford, National Geospatial-Intelligence Agency, USA
- Ms Pauline Weatherall, British Oceanographic Data Centre (BODC), National Oceanography Centre (NOC), UK
- Mr Mark Zimmermann, NOAA Fisheries, USA
- Dr Eunmi Chang (non-voting member), CEO/adjunct professor Ziinconsulting INC. University of Seoul, Republic of Korea
- Prof Martin Jakobsson (non-voting member), Department of Geological Sciences, University of Stockholm, Sweden
- Ms Jennifer Jencks (non-voting member), Director IHO Data Center for Digital Bathymetry, National Centers for Environmental Information, USA
Sub-Committee on Regional Undersea Mapping
SCRUM's aim is to build a closer collaboration with regional mapping efforts and coordinate, as well as encourage, the incorporation of their compilations into GEBCO. A list of the sub-committee members is given below.
Contact us: gebco.scrum@gmail.com
Access SCRUM's Terms of Reference and Rules of Procedure from the IHO's web site.
- Ms Aileen Bohan (Chair of SCRUM), INFOMAR, Geological Survey of Ireland, Ireland
- Cdr Hugo Montoro (Vice-Chair SCRUM) Direccion de Hidrografía y Navegacion de la Marina de Guerra del Peru, Peru
- Mr David Armstrong, National Geospatial-Intelligence Agency, USA
- Dr Robin Beaman, James Cook University, Australia
- Dr Boris Dorschel, Alfred Wegener Institute for Polar and Marine Research, Germany
- Ms Miao Fan, National Marine Data and Information Service, China
- Mr Andrew Forbes, Canadian Hydrographic Service, Fisheries and Oceans Canada, Canada
- Ms Rebecca Formanek, Hydrographic surveyor
- Dr John K Hall, Geological Survey of Israel (retired), Israel
- Ms Ana Carolina Lavagnino, Universidade Federal do Espírito Santo, Brazil
- Mrs Tinah Martin, Lamont-Doherty Earth Observatory, Columbia University, USA
- Ms Kim Picard, Geoscience Australia, Australia
- Ms Jaya Roperez,
- Ms Shereen Sharma, Fugro, Australia
- Ms Pauline Weatherall, British Oceanographic Data Centre (BODC), National Oceanography Centre (NOC), UK
- Dr Rochelle Wigley, Center for Coastal and Ocean Mapping, University of New Hampshire, USA
- Dr Yulia Zarayskaya
- Mr Mark Zimmermann, NOAA Fisheries, Alaska Fisheries Science Center, USA
- Dr Marzia Rovere (Non-voting member), ISMAR - Consiglio Nazionale delle Ricerche, Italy
Sub-Committee on Undersea Feature Names
SCUFN maintains and makes available the IHO-IOC GEBCO Gazetteer of Undersea Feature Names.
Access SCUFN's Terms of Reference and Rules of Procedure from the IHO's web site.
A list of some of the representatives of SCUFN is given below. A full list is included on the SCUFN pages hosted at the IHO.
- Dr Yasuhiko Ohara (Chair of SCUFN)
- Mr Eric Langlois (Secretary)
- Ms Jennifer Jencks (Point of contact GEBCO Gazetteer of Undersea Feature Names)
Sub-Committee on Communications, Outreach and Public Engagement (SCOPE)
Access SCUFN's Terms of Reference and Rules of Procedure from the IHO's web site.
A list of committee members is given below.
- Dr Eunmi Chang (Vice-Chair of SCOPE) Ziinconsulting INC., University of Seoul, Republic of Korea
- Dr Vicki Ferrini Lamont-Doherty Earth Observatory, USA
- Ms Pauline Weatherall British Oceanographic Data Centre, UK
- Mr David Millar Fugro, USA
- Dr Rochelle Wigley Center for Coastal and Ocean Mapping, University of New Hampshire, USA
- Ms Jennifer Jencks IHO Data Center for Digital Bathymetry, National Centers for Environmental Information (NCEI), USA
- Mr Mark Zimmermann National Oceanic and Atmospheric Administration, USA
- First Admiral Dr. Najhan Said National Hydrographic Centre, Malaysia
- Ms Jennifer Cheveaux (Observer) Nippon Foundation-GEBCO Seabed 2030 Project
- Ms Jaya Roperez (observer)
- Ms Ana Carolina Lavagnino (Observer) Marine Geoscience Lab, Universidade Federal do Espírito Santo, Brazil
- Dr Marzia Rovere (Observer) ISMAR - Consiglio Nazionale delle Ricerche, Italy
- Mr Sam Harper (Observer) International Hydrographic Organization (IHO), Principality of Monaco
- Mr Evert Flier (Observer) Norwegian Mapping Authority, Norway
Sub-Committee on Education and Training (SCET)
- Mr Paul M Brett (Chair of SCET) Fisheries and Marine Institute of Memorial University, Canada
- Dr Rochelle Wigley (Vice Chair of SCET) Center for Coastal and Ocean Mapping, University of New Hampshire, USA
Cook Book Working Group
This working group is developing a technical reference book on how to create bathymetric grids. Find out more and how to access the GEBCO Cook Book.
A list of committee members is given below.
Chair position currently vacant
- Dr Rochelle Wigley Center for Coastal and Ocean Mapping, University of New Hampshire, USA
- Dr Helen Snaith British Oceanographic Data Centre (BODC), National Oceanography Centre (NOC), UK
- Mr Leonardo Gomes de Araujo Diretoria de Hidrografia e Navegação (DHN), Brazil
- Ms Jaya Roperez
- Dr Thierry Schmitt Service Hydrographique et Oceanographique de la Marine (SHOM), France
- Ms Pauline Weatherall British Oceanographic Data Centre (BODC), National Oceanography Centre (NOC), UK
NIPPON Foundation/GEBCO Training Project Scholars
GEBCO has been funded by the Nippon Foundation, based in Tokyo, Japan, to train a new generation of scientists and hydrographers in ocean bathymetry. The twelve-month course, leading to a Postgraduate Certificate in Ocean Bathymetry (PCOB), is held at the University of New Hampshire, USA.
A list of scholars from the course is maintained on the web site of the Center for Coastal and Ocean Mapping (CCOM) at the University of New Hampshire. Use the links below to access the list.
- Current GEBCO scholars
- GEBCO scholars for 2023-2024
- GEBCO scholars for 2022-2023
- GEBCO scholars for 2021-2022
- GEBCO scholars for 2020-2021
- GEBCO scholars for 2019-2020
- GEBCO scholars for 2018-2019
- GEBCO scholars for 2017-2018
- GEBCO scholars for 2016-2017
- GEBCO scholars for 2015-2016
- GEBCO scholars for 2014-2015
- GEBCO scholars for 2013-2014
- GEBCO scholars for 2012-2013
- GEBCO scholars for 2011-2012
- GEBCO scholars for 2010-2011
- GEBCO scholars for 2009-2010
- GEBCO scholars for 2008-2009
- GEBCO scholars for 2007-2008
- GEBCO scholars for 2006-2007
- GEBCO scholars for 2005-2006
- GEBCO scholars for 2004-2005
Representatives of the IOC & IHO Secretariats
A list of the representatives is given below.
- Mr Julian Barbière Intergovernmental Oceanographic Commission (IOC)
- Mr Luigi Sinapi International Hydrographic Organization (IHO)
- Mr Sam Harper International Hydrographic Organization (IHO)