Organization Title Leader Country In office Ref African, Caribbean and Pacific Group of States (ACP) Secretary-general John Kaputin Papua New Guinea 2005–2010 [ 35] [ 36] Mohamed Ibn Chambas Ghana 2010–2013 [ 37] [ 38] African Union Chairperson Bingu wa Mutharika Malawi 2009–2011 [ 39] [ 40] Teodoro Obiang Nguema Mbasogo Equatorial Guinea 2011–2012 [ 41] [ 42] Chairperson of the Commission Jean Ping Gabon 2008–2012 [ 43] [ 44] [ 45] President of the Pan-African Parliament Idriss Ndélé Moussa Chad 2009–2012 [ 46] Andean Community Secretary-general Freddy Ehlers Ecuador 2007–2010 [ 47] Adalid Contreras Baspineiro Bolivia 2010-2011 (interim), 2011-2013 [ 48] [ 49] [ 50] Arab League Secretary-general Amr Moussa Egypt 2001–2011 [ 51] [ 52] Arab Maghreb Union Secretary-general Habib Ben Yahia Tunisia 2006–2016 [ 53] [ 54] Asia-Pacific Economic Cooperation (APEC) Executive director Muhamad Noor Malaysia 2010-2012 [ 55] Association of Southeast Asian Nations (ASEAN) Secretary-general Surin Pitsuwan Thailand 2008–2012 [ 56] Caribbean Community Secretary-general Edwin Carrington Trinidad and Tobago 1992–2010 [ 57] Central American Parliament President Jacinto Suárez Nicaragua 2009–2010 [ 58] [ 59] Dorindo Cortéz Panama 2010-2011 [ 59] [ 60] Common Market of East and Southern Africa (COMESA) Secretary-general Sindiso Ngwenya Zimbabwe 2008-2018 [ 61] [ 62] Commonwealth of Nations Head Queen Elizabeth II United Kingdom 1952–present [ 63] [ 64] Secretary-general Kamalesh Sharma India 2008-2016 [ 65] Commonwealth of Independent States Executive secretary Sergei Lebedev Russia 2007–present [ 66] [ 67] Council of Europe Secretary General Thorbjørn Jagland Norway 2009-2019 [ 68] [ 69] President of the Parliamentary Assembly of the Council of Europe (PACE) Lluís Maria de Puig Spain 2008–2010 [ 70] [ 71] Mevlüt Çavuşoğlu Turkey 2010–2012 [ 71] [ 72] President of the European Court of Human Rights Jean-Paul Costa France 2007-2011 [ 73] East African Community Secretary-general Juma Volter Mwapachu Tanzania 2006–2011 [ 74] [ 75] Economic Community of West African States President of the Commission Mohamed Ibn Chambas Ghana 2007–2010 [ 76] James Victor Gbeho 2010–2012 [ 77] Chairman Umaru Yar'Adua Nigeria 2008-2010 [ 78] [ 79] Goodluck Jonathan 2010–2012 [ 80] [ 79] Eurasian Economic Community Secretary-general Tair Mansurov Kazakhstan 2007–2014 [ 81] [ 82] Chairman of the Interstate Council Nursultan Nazarbayev 2001-2014 [ 83] [ 84] European Free Trade Association Secretary-general Kåre Bryn Norway 2006–2012 [ 85] European Union (EU) Presidency of the European Council Herman Van Rompuy Belgium 2009–2014 [ 86] Presidency of the Council of the European Union Spain 2010 [ 87] Belgium 2010 [ 88] President of the European Commission José Manuel Barroso Portugal 2004–2014 [ 89] President of the European Parliament Jerzy Buzek Poland 2009–2012 [ 90] [ 91] Secretary-General of the Council and High Representative for the Common Foreign and Security Policy Catherine Ashton United Kingdom 2009–2014 [ 92] President of the European Central Bank Jean-Claude Trichet France 2003–2011 [ 93] European Ombudsman Nikiforos Diamandouros Greece 2003–2013 [ 94] President of the Committee of the Regions (CoR) Luc van den Brande Belgium 2008-2010 [ 95] Mercedes Bresso Italy 2010-2012 [ 95] President of the European Investment Bank (EIB) Philippe Maystadt Belgium 2000–2011 [ 96] President of the European Court of Justice (ECJ) Vassilios Skouris Greece 2003–2015 [ 97] President of the European Court of Auditors (ECA) Vítor Manuel da Silva Caldeira Portugal 2008-2017 [ 98] President of the Economic and Social Committee (EESC) Mario Sepi Italy 2008–2010 [ 99] Staffan Nilsson Sweden 2010-2013 [ 99] Group of Eight (G8 ) President (informal) Canada 2010 [ 100] Gulf Cooperation Council Secretary-general Abdul Rahman ibn Hamad al-Attiyah Qatar 2002–2011 [ 101] [ 102] Ibero-American Secretariat (SEGIB) Secretary-general Enrique V. Iglesias Uruguay 2005–2013 [ 103] [ 104] Indian Ocean Commission Secretary-general Callixte d'Offay Seychelles 2008-2012 [ 105] [ 106] Non-Aligned Movement (NAM) Chairman Hosni Mubarak Egypt 2009-2011 [ citation needed ] Nordic Council President Helgi Hjörvar Iceland 2010 [ 107] Secretary-general Jan-Erik Enestam Finland 2007–2013 [ 108] North Atlantic Treaty Organization (NATO) Secretary-general Anders Fogh Rasmussen Denmark 2009-2014 [ 109] Organisation for Economic Co-operation and Development (OECD) Secretary-general José Ángel Gurría Mexico 2006–2021 [ 110] Organization for Security and Co-operation in Europe (OSCE) Secretary-general Marc Perrin de Brichambaut France 2005–2011 [ 111] Chairman-in-Office Kanat Saudabayev Kazakhstan 2010 [ 112] High Commissioner on National Minorities Knut Vollebæk Norway 2007–2013 [ 113] Organization of American States Secretary-general José Miguel Insulza Chile 2005-2015 [ 114] Organisation of Eastern Caribbean States Director-general Len Ishmael Saint Lucia 2003–2013 [ 115] Organisation of the Islamic Conference (OIC) Secretary-general Ekmeleddin Ihsanoglu Turkey 2005–2013 [ 116] Pacific Community (SPC) Director-general Jimmie Rodgers Solomon Islands 2006–2014 [ 117] Pacific Islands Forum Secretary-general Tuiloma Neroni Slade Samoa 2008-2014 [ 117] Shanghai Cooperation Organisation (SCO) Secretary-general Muratbek Imanaliyev Kyrgyzstan 2010-2012 [ 118] South Asian Association for Regional Cooperation (SAARC) Secretary-general Sheel Kant Sharma India 2008–2011 [ 119] Southern Cone Common Market (Mercosur) Director of the Executive Secretariat Agustín Colombo Sierra Argentina 2010-2011 [ 120] Southern African Development Community Executive secretary Tomaz Salomão Mozambique 2005–2013 [ 121] Union of South American Nations (USAN) President Rafael Correa Ecuador 2009–2010 [ 122] Bharrat Jagdeo Guyana 2010–2011 [ 123] Secretary-general Néstor Kirchner Argentina 2010 [ 124] Unrepresented Nations and Peoples Organization (UNPO) Secretary-general Marino Busdachin Italy 2003-2018 [ citation needed ] Western European Union Secretary-general Arnaud Jacomet France 2009–2011 [ citation needed ] World Trade Organization (WTO) Director-general Pascal Lamy France 2005–2013 [ 125]