Organization Title Leader Country In office Ref African, Caribbean and Pacific Group of States (ACP) Secretary-general John Kaputin Papua New Guinea 2005–2010 [ 28] [ 29] African Union Chairperson John Kufuor Ghana 2007-2008 [ 30] Jakaya Kikwete Tanzania 2008-2009 [ 31] Chairperson of the Commission Alpha Oumar Konaré Mali 2003-2008 (first Chairperson) [ 32] Jean Ping Gabon 2008–2012 [ 33] [ 34] [ 35] President of the Pan-African Parliament Gertrude Mongella Tanzania 2004-2008 (first President) [ 36] Andean Community Secretary-general Freddy Ehlers Ecuador 2007–2010 [ 37] Arab League Secretary-general Amr Moussa Egypt 2001–2011 [ 38] [ 39] Arab Maghreb Union Secretary-general Habib Ben Yahia Tunisia 2006–2016 [ 40] [ 41] Asia-Pacific Economic Cooperation (APEC) Executive director Juan Carlos Capuñay Peru 2008 [ 42] Association of Southeast Asian Nations (ASEAN) Secretary-general Surin Pitsuwan Thailand 2008–2012 [ 43] Caribbean Community Secretary-general Edwin Carrington Trinidad and Tobago 1992–2010 [ 44] Central American Parliament (PARLACEN) President Julio Guillermo González Gamarra Guatemala 2007-2008 [ 45] Gloria Guadalupe Oquelí Solórzano de Macoto Honduras 2008-2009 [ 46] Common Market of East and Southern Africa (COMESA) Secretary-general Erastus J. O. Mwencha Kenya 1998-2008 [ 47] [ 48] Sindiso Ngwenya Zimbabwe 2008-2018 [ 49] [ 50] Commonwealth of Nations Head Queen Elizabeth II United Kingdom 1952–present [ 51] [ 52] Secretary-general Don McKinnon New Zealand 2000-2008 [ 53] Kamalesh Sharma India 2008-2016 [ 54] Commonwealth of Independent States Executive secretary Sergei Lebedev Russia 2007–present [ 55] [ 56] Council of Europe Secretary General Terry Davis United Kingdom 2004-2009 [ 57] President of the Parliamentary Assembly of the Council of Europe (PACE) René van der Linden Netherlands 2005-2008 [ 58] [ 59] Lluís Maria de Puig Spain 2008–2010 [ 60] [ 59] President of the European Court of Human Rights Jean-Paul Costa France 2007-2011 [ 61] East African Community Secretary-general Juma Volter Mwapachu Tanzania 2006–2011 [ 62] [ 63] Economic Community of West African States (ECOWAS) President of the Commission Mohamed Ibn Chambas Ghana 2007–2010 [ 64] Chairman Blaise Compaoré Burkina Faso 2007-2008 [ 65] Umaru Yar'Adua Nigeria 2008-2010 [ 66] [ 67] Eurasian Economic Community Secretary-general Tair Mansurov Kazakhstan 2007–2014 [ 68] [ 69] Chairman of the Interstate Council Nursultan Nazarbayev 2001-2014 [ 70] [ 71] European Free Trade Association Secretary-general Kåre Bryn Norway 2006–2012 [ 72] European Union (EU) Presidency of the European Council Nicolas Sarkozy France 2008 [ 73] Presidency of the Council of the European Union Slovenia 2008 [ 74] France [ 73] President of the European Commission José Manuel Barroso Portugal 2004–2014 [ 75] President of the European Parliament Hans-Gert Pöttering Germany 2007-2009 [ 76] Secretary-General of the Council Javier Solana Spain 1999-2009 [ 77] High Representative for the Common Foreign and Security Policy [ 78] President of the European Central Bank Jean-Claude Trichet France 2003–2011 [ 79] European Ombudsman Nikiforos Diamandouros Greece 2003–2013 [ 80] President of the Committee of the Regions (CoR) Michel Delebarre France 2006-2008 [ 81] Luc Van den Brande Belgium 2008-2010 [ 82] President of the European Investment Bank (EIB) Philippe Maystadt 2000–2011 [ 83] President of the European Court of Justice (ECJ) Vassilios Skouris Greece 2003–2015 [ 84] President of the European Court of Auditors (ECA) Hubert Weber Austria 2005-2008 [ 85] Vítor Manuel da Silva Caldeira Portugal 2008-2017 [ 86] President of the Economic and Social Committee (EESC) Dimitris Dimitriadis Greece 2006-2008 [ 87] Mario Sepi Italy 2008–2010 [ 88] Group of Eight (G8 ) President (informal) Japan 2008 [ 89] Gulf Cooperation Council Secretary-general Abdul Rahman bin Hamad Al Attiyah Qatar 2002–2011 [ 90] [ 91] Ibero-American General Secretariat (SEGIB) Secretary-general Enrique V. Iglesias Uruguay 2005–2013 [ 92] [ 93] Indian Ocean Commission Secretary-general Monique Andréas Esoavelomandroso Madagascar 2004-2008 [ 94] Callixte d'Offay Seychelles 2008-2012 [ 95] [ 96] Non-Aligned Movement (NAM) Chairman Fidel Castro Cuba 2006-2008 [ 97] Raúl Castro 2006-2009 [ citation needed ] Nordic Council President Erkki Tuomioja Finland 2008 [ 98] Secretary-general Jan-Erik Enestam 2007–2013 [ 99] North Atlantic Treaty Organization (NATO) Secretary-general Jaap de Hoop Scheffer Denmark 2004-2009 [ 100] Organisation for Economic Co-operation and Development (OECD) Secretary-general José Ángel Gurría Mexico 2006–2021 [ 101] Organization for Security and Co-operation in Europe (OSCE) Secretary-general Marc Perrin de Brichambaut France 2005–2011 [ 102] Chairman-in-Office Ilkka Kanerva Finland 2008 [ 103] Alexander Stubb [ 104] High Commissioner on National Minorities Knut Vollebæk Norway 2007–2013 [ 105] Organization of American States Secretary-general José Miguel Insulza Chile 2005-2015 [ 106] Organisation of Eastern Caribbean States Director-general Len Ishmael Saint Lucia 2003–2013 [ 107] Organisation of the Islamic Conference (OIC) Secretary-general Ekmeleddin Ihsanoglu Turkey 2005–2013 [ 108] Pacific Community (SPC) Director-general Jimmie Rodgers Solomon Islands 2006–2014 [ 109] Pacific Islands Forum Secretary-general Greg Urwin Australia 2004-2008 [ 110] Feleti Teo Tuvalu 2008 (acting) [ 111] Tuiloma Neroni Slade Samoa 2008-2014 [ 109] Shanghai Cooperation Organisation (SCO) Secretary-general Bolat Nurgaliyev Kazakhstan 2007-2009 [ 112] South Asian Association for Regional Cooperation (SAARC) Secretary-general Chenkyab Dorji Bhutan 2005-2008 [ 113] Sheel Kant Sharma India 2008–2011 [ 114] Southern Cone Common Market (Mercosur) Director of the executive secretariat ?-2008[ citation needed ] José Manuel Quijano Capurro Uruguay 2008-2009 [ 115] Southern African Development Community Executive secretary Tomaz Salomão Mozambique 2005–2013 [ 116] Union of South American Nations (USAN) President Michelle Bachelet Chile 2008-2009 (first President) [ 117] 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 [ 118] World Trade Organization (WTO) Director-general Pascal Lamy France 2005–2013 [ 119]