Organization Title Leader Country In office Ref African, Caribbean and Pacific Group of States (ACP) Secretary-general Jean-Robert Goulongana Gabon 2000-2005 [ 25] John Kaputin Papua New Guinea 2005–2010 [ 26] [ 27] African Union Chairperson Olusegun Obasanjo Nigeria 2004-2006 [ 28] Chairperson of the Commission Alpha Oumar Konaré Mali 2003-2008 (first Chairperson) [ 29] President of the Pan-African Parliament Gertrude Mongella Tanzania 2004-2008 (first President) [ 30] Andean Community Secretary-general Allan Wagner Tizón Peru 2004-2006 [ 31] Arab League Secretary-general Amr Moussa Egypt 2001–2011 [ 32] [ 33] Arab Maghreb Union Secretary-general Habib Boularès Tunisia 2002-2006 [ 34] Asia-Pacific Economic Cooperation (APEC) Executive director Choi Seok Young South Korea 2005 [ 35] Association of Southeast Asian Nations (ASEAN) Secretary-general Ong Keng Yong Singapore 2003-2007 [ 36] Caribbean Community Secretary-general Edwin Carrington Trinidad and Tobago 1992–2010 [ 37] Central American Parliament (PARLACEN) President Fabio Gadea Mantilla Nicaragua 2004-2005 [ 38] Julio Enrique Palacios Sambrano Panama 2005-2006 [ 39] Common Market of East and Southern Africa (COMESA) Secretary-general Erastus J. O. Mwencha Kenya 1998-2008 [ 40] [ 41] Commonwealth of Nations Head Queen Elizabeth II United Kingdom 1952–present [ 42] [ 43] Secretary-general Don McKinnon New Zealand 2000-2008 [ 44] Commonwealth of Independent States Executive Secretary Vladimir Rushailo Russia 2004-2007 [ 45] Council of Europe Secretary General Terry Davis United Kingdom 2004-2009 [ 46] President of the Parliamentary Assembly of the Council of Europe (PACE) Peter Schieder Austria 2002-2005 [ 47] René van der Linden Netherlands 2005-2008 [ 48] [ 49] President of the European Court of Human Rights (first President) Luzius Wildhaber Switzerland 1998-2007 [ 50] East African Community Secretary-general Amanya Mushega Uganda 2001-2006 [ 51] Economic Community of West African States (ECOWAS) Executive Secretary Mohamed Ibn Chambas Ghana 2002-2007 (last Executive Secretary) [ 52] Chairman John Kufuor Ghana 2002-2005 [ 53] Mamadou Tandja Niger 2005-2007 [ 54] Eurasian Economic Community Secretary-general Grigory Rapota Russia 2001-2007 [ 55] Chairman of the Interstate Council Nursultan Nazarbayev Kazakhstan 2001-2014 [ 56] [ 57] European Free Trade Association Secretary-general William Rossier Switzerland 2000-2006 [ 58] European Union (EU) Presidency of the European Council Jean-Claude Juncker Luxembourg 2005 [ 59] Tony Blair United Kingdom [ 60] President of the European Commission José Manuel Barroso Portugal 2004–2014 [ 61] President of the European Parliament Josep Borrell Spain /Argentina 2004-2007 [ 62] Secretary-General of the Council Javier Solana Spain 1999-2009 [ 63] High Representative for the Common Foreign and Security Policy [ 64] President of the European Central Bank Jean-Claude Trichet France 2003–2011 [ 65] European Ombudsman Nikiforos Diamandouros Greece 2003–2013 [ 66] President of the Committee of the Regions (CoR) Peter Straub Germany 2004-2006 [ 67] President of the European Investment Bank (EIB) Philippe Maystadt Belgium 2000–2011 [ 68] President of the European Court of Justice (ECJ) Vassilios Skouris Greece 2003–2015 [ 69] President of the European Court of Auditors (ECA) Juan Manuel Fabra Vallés Spain 2002-2005 [ 70] Hubert Weber Austria 2005-2008 [ 71] President of the European Economic and Social Committee (EESC) Anne-Marie Sigmund Austria 2004-2006 [ 72] Gulf Cooperation Council Secretary-general Abdul Rahman bin Hamad Al Attiyah Qatar 2002–2011 [ 73] [ 74] Indian Ocean Commission Secretary-general Monique Andréas Esoavelomandroso Madagascar 2004-2008 [ 75] Non-Aligned Movement (NAM) Chairman Abdullah Ahmad Badawi Malaysia 2003-2006 [ 76] Nordic Council President Rannveig Guðmundsdóttir Iceland 2005 [ 77] Secretary-general Frida Nokken Norway 1999-2007 [ 78] North Atlantic Treaty Organization (NATO) Secretary-general Jaap de Hoop Scheffer Denmark 2004-2009 [ 79] Organisation for Economic Co-operation and Development (OECD) Secretary-general Don Johnston Canada 1996-2006 [ 80] Organization for Security and Co-operation in Europe (OSCE) Secretary-general Ján Kubiš Slovakia 1999-2005 [ 81] Marc Perrin de Brichambaut France 2005–2011 [ 82] Chairman-in-Office Dimitrij Rupel Slovenia 2005 [ 83] High Commissioner on National Minorities Rolf Ekéus Sweden 2001-2007 [ 84] Organization of American States Secretary-general Luigi R. Einaudi United States 2004-2005 (acting) [ 85] José Miguel Insulza Chile 2005-2015 [ 86] Organisation of Eastern Caribbean States Director-general Len Ishmael Saint Lucia 2003–2013 [ 87] Organisation of the Islamic Conference (OIC) Secretary-general Ekmeleddin İhsanoğlu Turkey 2004–2013 [ 88] Pacific Community (SPC) Director-general Lourdes Pangelinan Guam 2000-2006 [ 89] Pacific Islands Forum Secretary-general Greg Urwin Australia 2004-2008 [ 90] Shanghai Cooperation Organisation (SCO) Executive Secretary Zhang Deguang China 2004-2006 (first Executive Secretary) [ 91] South Asian Association for Regional Cooperation (SAARC) Secretary-general Q. A. M. A. Rahim Bangladesh 2002-2005 [ 92] Chenkyab Dorji Bhutan 2005-2008 [ 93] Southern African Development Community Executive Secretary Prega Ramsamy Mauritius 2001-2005 [ 94] Tomaz Salomão Mozambique 2005–2013 [ 95] Unrepresented Nations and Peoples Organization (UNPO) Secretary-general Marino Busdachin Italy 2003-2018 [ citation needed ] Western European Union Secretary-general Javier Solana Spain 1999-2009 [ 96] World Trade Organization (WTO) Director-general Supachai Panitchpakdi Thailand 2002-2005 [ 97] Pascal Lamy France 2005–2013 [ 98]