Organization Title Leader Country In office Ref African, Caribbean and Pacific Group of States (ACP) Secretary-general John Kaputin Papua New Guinea 2005–2010 [ 26] [ 27] African Union Chairperson Denis Sassou Nguesso Republic of the Congo 2006-2007 [ 28] John Kufuor Ghana 2007-2008 [ 29] Chairperson of the Commission Alpha Oumar Konaré Mali 2003-2008 (first Chairperson) [ 30] President of the Pan-African Parliament Gertrude Mongella Tanzania 2004-2008 (first President) [ 31] Andean Community Secretary-general Alfredo Fuentes Hernández Colombia 2006-2007 (interim) [ 32] Freddy Ehlers Ecuador 2007–2010 [ 33] Arab League Secretary-general Amr Moussa Egypt 2001–2011 [ 34] [ 35] Arab Maghreb Union Secretary-general Habib Ben Yahia Tunisia 2006–2016 [ 36] [ 37] Asia-Pacific Economic Cooperation (APEC) Executive director Colin Heseltine Australia 2007 [ 38] Association of Southeast Asian Nations (ASEAN) Secretary-general Ong Keng Yong Singapore 2003-2007 [ 39] Caribbean Community Secretary-general Edwin Carrington Trinidad and Tobago 1992–2010 [ 40] Central American Parliament (PARLACEN) President Ciro Cruz Zepeda El Salvador 2006-2007 [ 41] Julio Guillermo González Gamarra Guatemala 2007-2008 [ 42] Common Market of East and Southern Africa (COMESA) Secretary-general Erastus J. O. Mwencha Kenya 1998-2008 [ 43] [ 44] Commonwealth of Nations Head Queen Elizabeth II United Kingdom 1952–present [ 45] [ 46] Secretary-general Don McKinnon New Zealand 2000-2008 [ 47] Commonwealth of Independent States Executive secretary Vladimir Rushailo Russia 2004-2007 [ 48] Sergey Lebedev 2007–present [ 49] [ 50] Council of Europe Secretary General Terry Davis United Kingdom 2004-2009 [ 51] President of the Parliamentary Assembly of the Council of Europe (PACE) René van der Linden Netherlands 2005-2008 [ 52] [ 53] President of the European Court of Human Rights (first President) Luzius Wildhaber Switzerland 1998-2007 [ 54] Jean-Paul Costa France 2007-2011 [ 55] East African Community Secretary-general Juma Volter Mwapachu Tanzania 2006–2011 [ 56] [ 57] Economic Community of West African States (ECOWAS) President of the Commission Mohamed Ibn Chambas Ghana 2007–2010 (first President) [ 58] Executive secretary 2002-2006 (final executive secretary) [ 59] Chairman Mamadou Tandja Niger 2005-2007 [ 60] Blaise Compaoré Burkina Faso 2007-2008 [ 60] Eurasian Economic Community Secretary-general Grigory Rapota Russia 2001-2007 [ 61] Tair Mansurov Kazakhstan 2007–2014 [ 62] [ 63] Chairman of the Interstate Council Nursultan Nazarbayev 2001-2014 [ 64] [ 65] European Free Trade Association Secretary-general Kåre Bryn Norway 2006–2012 [ 66] European Union (EU) Presidency of the European Council Janez Janša Slovenia 2007 [ 67] Presidency of the Council of the European Union Germany 2007 [ 68] Portugal [ 69] President of the European Commission José Manuel Barroso Portugal 2004–2014 [ 70] President of the European Parliament Josep Borrell Spain /Argentina 2004-2007 [ 71] Hans-Gert Pöttering Germany 2007-2009 [ 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) Michel Delebarre France 2006-2008 [ 77] President of the European Investment Bank (EIB) Philippe Maystadt Belgium 2000–2011 [ 78] President of the European Court of Justice (ECJ) Vassilios Skouris Greece 2003–2015 [ 79] President of the European Court of Auditors (ECA) Hubert Weber Austria 2005-2008 [ 80] President of the Economic and Social Committee (EESC) Dimitris Dimitriadis Greece 2006-2008 [ 81] Gulf Cooperation Council Secretary-general Abdul Rahman bin Hamad Al Attiyah Qatar 2002–2011 [ 82] [ 83] Ibero-American General Secretariat (SEGIB) Secretary-general Enrique V. Iglesias Uruguay 2005–2013 [ 84] [ 85] Indian Ocean Commission Secretary-general Monique Andréas Esoavelomandroso Madagascar 2004-2008 [ 86] Non-Aligned Movement (NAM) Chairman Fidel Castro Cuba 2006-2008 [ 87] Raúl Castro 2006-2009 [ citation needed ] Nordic Council President Dagfinn Høybråten Norway 2007 [ 88] Secretary-general Frida Nokken 1999-2007 [ 89] Jan-Erik Enestam Finland 2007–2013 [ 90] North Atlantic Treaty Organization (NATO) Secretary-general Jaap de Hoop Scheffer Denmark 2004-2009 [ 91] Organisation for Economic Co-operation and Development (OECD) Secretary-general José Ángel Gurría Mexico 2006–2021 [ 92] Organization for Security and Co-operation in Europe (OSCE) Secretary-general Marc Perrin de Brichambaut France 2005–2011 [ 93] Chairman-in-Office Miguel Ángel Moratinos Spain 2007 [ 94] [ 95] High Commissioner on National Minorities Rolf Ekéus Sweden 2001-2007 [ 96] Knut Vollebæk Norway 2007–2013 [ 97] Organization of American States Secretary-general José Miguel Insulza Chile 2005-2015 [ 98] Organisation of Eastern Caribbean States Director-general Len Ishmael Saint Lucia 2003–2013 [ 99] Organisation of the Islamic Conference (OIC) Secretary-general Ekmeleddin Ihsanoglu Turkey 2005–2013 [ 100] Pacific Community (SPC) Director-general Jimmie Rodgers Solomon Islands 2006–2014 [ 101] Pacific Islands Forum Secretary-general Greg Urwin Australia 2004-2008 [ 102] Shanghai Cooperation Organisation (SCO) Secretary-general Bolat Nurgaliyev Kazakhstan 2007-2009 (first Secretary-General) [ 103] South Asian Association for Regional Cooperation (SAARC) Secretary-general Chenkyab Dorji Bhutan 2005-2008 [ 104] Southern Cone Common Market (Mercosur) Director of the executive secretariat ?-2008[ citation needed ] Southern African Development Community Executive secretary Tomaz Salomão Mozambique 2005–2013 [ 105] 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 [ 106] World Trade Organization (WTO) Director-general Pascal Lamy France 2005–2013 [ 107]