Organization Title Leader Country In office Ref African, Caribbean and Pacific Group of States (ACP) Secretary-general John Kaputin Papua New Guinea 2005–2010 [ 29] [ 30] African Union Chairperson Olusegun Obasanjo Nigeria 2004-2006 [ 31] Denis Sassou Nguesso Republic of the Congo 2006-2007 [ 32] Chairperson of the Commission Alpha Oumar Konaré Mali 2003-2008 (first Chairperson) [ 33] President of the Pan-African Parliament Gertrude Mongella Tanzania 2004-2008 (first President) [ 34] Andean Community Secretary-general Allan Wagner Tizón Peru 2004-2006 [ 35] Alfredo Fuentes Hernández Colombia 2006-2007 (interim) [ 36] Arab League Secretary-general Amr Moussa Egypt 2001–2011 [ 37] [ 38] Arab Maghreb Union Secretary-general Habib Boularès Tunisia 2002-2006 [ 39] Habib Ben Yahia 2006–2016 [ 40] [ 41] Asia-Pacific Economic Cooperation (APEC) Executive director Tran Trong Toan Vietnam 2006 [ 42] Association of Southeast Asian Nations (ASEAN) Secretary-general Ong Keng Yong Singapore 2003-2007 [ 43] Caribbean Community Secretary-general Edwin Carrington Trinidad and Tobago 1992–2010 [ 44] Central American Parliament (PARLACEN) President Julio Enrique Palacios Sambrano Panama 2005-2006 [ 45] Ciro Cruz Zepeda El Salvador 2006-2007 [ 46] Common Market of East and Southern Africa (COMESA) Secretary-general Erastus J. O. Mwencha Kenya 1998-2008 [ 47] [ 48] Commonwealth of Nations Head Queen Elizabeth II United Kingdom 1952–present [ 49] [ 50] Secretary-general Don McKinnon New Zealand 2000-2008 [ 51] Commonwealth of Independent States Executive Secretary Vladimir Rushailo Russia 2004-2007 [ 52] Council of Europe Secretary General Terry Davis United Kingdom 2004-2009 [ 53] President of the Parliamentary Assembly of the Council of Europe (PACE) René van der Linden Netherlands 2005-2008 [ 54] [ 55] President of the European Court of Human Rights (first President) Luzius Wildhaber Switzerland 1998-2007 [ 56] East African Community Secretary-general Amanya Mushega Uganda 2001-2006 [ 57] Juma Volter Mwapachu Tanzania 2006–2011 [ 58] [ 59] Economic Community of West African States (ECOWAS) President of the Commission Mohamed Ibn Chambas Ghana 2006–2010 (first President) [ 60] Chairman Mamadou Tandja Niger 2005-2007 [ 61] Eurasian Economic Community Secretary-general Grigory Rapota Russia 2001-2007 [ 62] Chairman of the Interstate Council Nursultan Nazarbayev Kazakhstan 2001-2014 [ 63] [ 64] European Free Trade Association Secretary-general William Rossier Switzerland 2000-2006 [ 65] Kåre Bryn Norway 2006–2012 [ 66] European Union (EU) Presidency of the European Council Wolfgang Schüssel Austria 2006 [ 67] Matti Vanhanen Finland [ 68] Presidency of the Council of the European Union Austria 2006 [ 69] Finland [ 70] President of the European Commission José Manuel Barroso Portugal 2004–2014 [ 71] President of the European Parliament Josep Borrell Spain /Argentina 2004-2007 [ 72] Secretary-General of the Council Javier Solana Spain 1999-2009 [ 73] High Representative for the Common Foreign and Security Policy [ 74] President of the European Central Bank Jean-Claude Trichet France 2003–2011 [ 75] European Ombudsman Nikiforos Diamandouros Greece 2003–2013 [ 76] President of the Committee of the Regions (CoR) Peter Straub Germany 2004-2006 [ 77] Michel Delebarre France 2006-2008 [ 78] President of the European Investment Bank (EIB) Philippe Maystadt Belgium 2000–2011 [ 79] President of the European Court of Justice (ECJ) Vassilios Skouris Greece 2003–2015 [ 80] President of the European Court of Auditors (ECA) Hubert Weber Austria 2005-2008 [ 81] President of the European Economic and Social Committee (EESC) Anne-Marie Sigmund Austria 2004-2006 [ 82] Dimitris Dimitriadis Greece 2006-2008 [ 83] Gulf Cooperation Council Secretary-general Abdul Rahman bin Hamad Al Attiyah Qatar 2002–2011 [ 84] [ 85] Ibero-American General Secretariat (SEGIB) Secretary-general Enrique V. Iglesias Uruguay 2005–2013 (first Secretary-General) [ 86] [ 87] Indian Ocean Commission Secretary-general Monique Andréas Esoavelomandroso Madagascar 2004-2008 [ 88] Non-Aligned Movement (NAM) Chairman Abdullah Ahmad Badawi Malaysia 2003-2006 [ 89] Fidel Castro Cuba 2006-2008 [ 90] Raúl Castro 2006-2009 [ citation needed ] Nordic Council President Ole Stavad Denmark 2006 [ 91] Secretary-general Frida Nokken Norway 1999-2007 [ 92] North Atlantic Treaty Organization (NATO) Secretary-general Jaap de Hoop Scheffer Denmark 2004-2009 [ 93] Organisation for Economic Co-operation and Development (OECD) Secretary-general Don Johnston Canada 1996-2006 [ 94] José Ángel Gurría Mexico 2006–2021 [ 95] Organization for Security and Co-operation in Europe (OSCE) Secretary-general Marc Perrin de Brichambaut France 2005–2011 [ 96] Chairman-in-Office Karel De Gucht Belgium 2006 [ 97] High Commissioner on National Minorities Rolf Ekéus Sweden 2001-2007 [ 98] Organization of American States Secretary-general José Miguel Insulza Chile 2005-2015 [ 99] Organisation of Eastern Caribbean States Director-general Len Ishmael Saint Lucia 2003–2013 [ 100] Organisation of the Islamic Conference (OIC) Secretary-general Ekmeleddin İhsanoğlu Turkey 2005–2013 [ 101] Pacific Community (SPC) Director-general Lourdes Pangelinan Guam 2000-2006 [ 102] Jimmie Rodgers Solomon Islands 2006–2014 [ 103] Pacific Islands Forum Secretary-general Greg Urwin Australia 2004-2008 [ 104] Shanghai Cooperation Organisation (SCO) Executive Secretary Zhang Deguang China 2004-2006 [ 105] South Asian Association for Regional Cooperation (SAARC) Secretary-general Chenkyab Dorji Bhutan 2005-2008 [ 106] Southern Cone Common Market (Mercosur) Director of the Executive Secretariat ?-2008[ citation needed ] Southern African Development Community Executive Secretary Tomaz Salomão Mozambique 2005–2013 [ 107] 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 [ 108] World Trade Organization (WTO) Director-general Pascal Lamy France 2005–2013 [ 109]