An international Advisory Council gives guidance to ensure the faithful implementation of the Institute's stated objectives:

• Margaret Brusasco-Mackenzie, Chairperson
  Former Head of International Affairs and Adviser on Sustainable Development in the Directorate-General for the Environment, European Commission, former Faculty member IGEAT, ULB, and on Princes of Wales Business and Environment Programme.
• Marc Baltes
  Former Deputy Co-ordinator OSCE Economic and Environmental Activities / Co-initiator of the Environment and Security Initiative (ENVSEC) / New York (UN) and Brussels (NATO, WEU) postings Luxembourg Ministry of Foreign Affairs / Former Co-ordinator UNCTAD TrainForTrade Project Asia/Pacific.
• Liz Dowdeswell
  Former Executive Director, UNEP / Visiting Professor at the University of Toronto / Associate Fellow, European Centre for Public Affairs / Formerly President, Nuclear Waste Management Organization (NWMO)
• J. Steven Lovink
  Co-founder of IES / Founder and President of TransGlobal Ventures, Inc. / Senior advisor to the Guiana Shield Initiative / Author and managing partner of the Eco-Insurance Initiative / Co-founder Planet 2025 Network
• Ikaros Moushouttas
  Former Member of the Policy Planning and Early Warning Unit in the Council of the European Union / Former Senior Press Officer in the Directorate-General Agriculture, European Commission / Former Diplomat in the Ministry of Foreign Affairs of the Republic of Cyprus / Former Press Officer in the UN Headquarters in Vienna
• Derek Osborn
  Former President of the Sustainable Development Observatory in the European Economic and Social Committee / Former Director General of Environmental Protection in the UK Department of the Environment / Former Co-Chair of the 1997 UN General Assembly 5 year review of UNCED
• Michael Renner
  Senior Researcher-Director, Global Security Project, Worldwatch Institute / Member, Global Policy Forum Board / Member, International Advisory Board, The Hague Appeal for Peace / Member, International Advisory Group, Transnational Foundation for Peace and Future Research
• Bernard Snoy et d'Oppuers
  Former Co-ordinator of the OSCE Economic and Environmental Activities / Visiting Professor at the Institute of European Studies of the Catholic University of Louvain / Former Executive Director of the World Bank and of the EBRD Former Director of Table II of the Stability Pact for South Eastern Europe / Vice-Chairman of the International Robert Triffin Foundation

• Wouter J. Veening, Chairman
  Co-founder of IES / Former Policy Director, Netherlands Committee for the IUCN / Co-founder and Head, Guiana Shield Initiative
• Tom Spencer, Vice-Chairman
  Executive Director, European Centre for Public Affairs / Former President, GLOBE International / Former President of the EP Committee on Foreign Affairs, Security and Defence Policy (1997-1999)
• Gottfried Leibbrandt, Secretary / Treasurer
  Chairman, Stichting EuroCampus Institute / Former Director General for Higher Education and Research in The Netherlands Ministry of Education / Former (Founding) President of the Open University of The Netherlands
• Ronald A. Kingham, Director (ex-officio member)
  Co-founder of IES / Director, Stichting Environment & Development Resource Centre / Former European Co-ordinator, Transatlantic Environment Dialogue / Former Executive Director, International Coalition for Development Action

• Ronald A. Kingham, Director / ACCES Programme Manager
• Wouter J. Veening, President
• Géraud de Ville, Programme Officer

Fellows are experienced academics, researchers and professionals who provide input to the work of the Institute and who occasionally represent IES at external events.

• Andrew Vincent Alder, USA
• Chad M. Briggs, USA
• Serge Bronkhorst, The Netherlands
• Tom Deligiannis, Canada
• Rita Floyd, UK
• Harris Gleckman, USA
• Jeanna Hyde Hecker, The Netherlands
• Gyorgy Tatar, Hungary
• Patrice Yamba T. Kantu, Belgium
• Jeannette E. Mullaart, The Netherlands
• Nasser Yassin, Lebanon

Associate fellows are younger academics, researchers and professionals who also provide input to the work of the Institute and who occasionally represent the IES at external events.

• Roshan Balakrishnan, India
• Cristina Cedillo, The Netherlands
• Carlo Clini, Italy
• Chantal Shalukoma, Democratic Republic of Congo
• Maximilian Spiegelberg, Germany
• Marcie Smith, USA
• Yu Yin, China / Mekong Region
• Jonathan Solomon, Germany
• Selamawit Zewdu Yetemegn, The Netherlands

Representatives

The following play the additional role of representing the institute in particular countries and cities.

• The Hague: Wouter J. Veening
• Brussels: Ronald A. Kingham
• London: Tom Spencer
• Vienna: Marc Baltes
• Beirut: Nasser Yassin
• California: Andrew Vincent Alder
• New York: Harris Gleckman
• Toronto: Tom Deligiannis
• Washington, DC: J. Steven Lovink