Organization Title Leader Country In office Ref African, Caribbean and Pacific Group of States (ACP) Secretary-general Muhammad Mumuni Ghana 2013–2015 [ 31] African Union Chairperson Hailemariam Desalegn Ethiopia 2013–2014 [ 32] Mohamed Ould Abdel Aziz Mauritania 2014–2015 [ 33] Chairperson of the Commission Nkosazana Dlamini-Zuma South Africa 2012–2017 [ 34] President of the Pan-African Parliament Bethel Nnaemeka Amadi Nigeria 2012–2015 [ 35] Andean Community Secretary-general Pablo Guzmán Laugier Bolivia 2013–2016 [ 36] Arab League Secretary-general Nabil Elaraby Egypt 2011–2016 [ 37] Arab Maghreb Union Secretary-general Habib Ben Yahia Tunisia 2006–2016 [ 38] [ 39] Asia-Pacific Economic Cooperation (APEC) Executive director Alan Bollard New Zealand 2013–2018 [ 40] Association of Southeast Asian Nations (ASEAN) Secretary-general Lê Lương Minh Vietnam 2013–2017 [ 41] Caribbean Community Secretary-general Irwin LaRocque Dominica 2011–2021 [ 42] Central American Parliament President Armando Bardales Honduras 2014–2015 [ 43] Common Market of East and Southern Africa (COMESA) Secretary-general Sindiso Ngwenya Zimbabwe 2008–2018 [ 44] [ 45] Commonwealth of Nations Head Queen Elizabeth II United Kingdom 1952–present [ 46] [ 47] Secretary-general Kamalesh Sharma India 2008–2016 [ 48] Commonwealth of Independent States Executive secretary Sergei Lebedev Russia 2007–present [ 49] [ 50] Council of Europe Secretary General Thorbjørn Jagland Norway 2009–2019 [ 51] [ 52] President of the Parliamentary Assembly of the Council of Europe (PACE) Anne Brasseur Luxembourg 2014–2016 [ 53] President of the European Court of Human Rights Dean Spielmann 2012–2015 [ 54] East African Community Secretary-general Richard Sezibera Rwanda 2011–2016 [ 55] Economic Community of West African States (ECOWAS) President of the Commission Kadré Désiré Ouédraogo Burkina Faso 2012–2016 [ 56] Chairman John Mahama Ghana 2013–2015 [ 57] Eurasian Economic Community Secretary-general Tair Mansurov Kazakhstan 2007–2014 (organization dissolved) [ 58] [ 59] Chairman of the Interstate Council Nursultan Nazarbayev 2001-2014 (organization dissolved) [ 60] [ 61] European Free Trade Association Secretary-general Kristinn F. Árnason Iceland 2012–2018 [ 62] European Union (EU) Presidency of the European Council Herman Van Rompuy Belgium 2009–2014 [ 63] Donald Tusk Poland 2014–2019 [ 64] Presidency of the Council of the European Union Greece 2014 [ 65] Italy [ 65] President of the European Commission José Manuel Barroso Portugal 2004–2014 [ 66] Jean-Claude Juncker Luxembourg 2014–2019 [ 67] President of the European Parliament Martin Schulz Germany 2012–2017 [ 68] Secretary-General of the Council and High Representative for the Common Foreign and Security Policy Catherine Ashton United Kingdom 2009–2014 [ 69] Federica Mogherini Italy 2014–2019 [ 70] President of the European Central Bank Mario Draghi 2011–2019 [ 71] European Ombudsman Emily O'Reilly Ireland 2013–present[ needs update ] [ 72] President of the Committee of the Regions (CoR) Ramón Luis Valcárcel Spain 2012–2014 [ 73] Michel Lebrun Belgium 2014–2015 [ 74] President of the European Investment Bank (EIB) Werner Hoyer Germany 2012–present [ 75] [ 76] President of the European Court of Justice (ECJ) Vassilios Skouris Greece 2003–2015 [ 77] President of the European Court of Auditors (ECA) Vítor Manuel da Silva Caldeira Portugal 2008–2017 [ 78] President of the European Economic and Social Committee (EESC) Henri Malosse France 2013–2015 [ 78] Group of Eight (G8) President (informal) Russia 2014 [ 79] Gulf Cooperation Council Secretary-general Abdullatif bin Rashid Al Zayani Bahrain 2011–2020 [ 80] Ibero-American General Secretariat (SEGIB) Secretary-general Rebeca Grynspan Costa Rica 2014–2021 [ 81] Indian Ocean Commission Secretary-general Jean Claude de l'Estrac Mauritius 2012–2016 [ 82] Non-Aligned Movement (NAM) Chairman Hassan Rouhani Iran 2013–2016 [ 83] Nordic Council President Karin Åström Sweden 2014 [ 84] Hans Wallmark [ 84] Secretary-general Britt Bohlin 2014–2021 [ 85] North Atlantic Treaty Organization (NATO) Secretary-general Anders Fogh Rasmussen Denmark 2009–2014 [ 86] Jens Stoltenberg Norway 2014–present[ needs update ] [ 87] [ 88] Organisation for Economic Co-operation and Development (OECD) Secretary-general José Ángel Gurría Mexico 2006–2021 [ 89] Organization for Security and Co-operation in Europe (OSCE) Secretary-general Lamberto Zannier Italy 2011–2017 [ 90] Chairman-in-Office Didier Burkhalter Switzerland 2014 [ 91] High Commissioner on National Minorities Astrid Thors Finland 2013–2016 [ 92] Organisation of Eastern Caribbean States Director-general Didacus Jules Saint Lucia 2014–present[ needs update ] [ 93] [ 94] Organisation of Islamic Cooperation (OIC) Secretary-general Iyad bin Amin Madani Saudi Arabia 2014–2016 [ 95] Pacific Community (SPC) Director-general Jimmie Rodgers Solomon Islands 2006–2014 [ 96] Colin Tukuitonga Niue 2014–2020 [ 97] Pacific Islands Forum Secretary-general Tuiloma Neroni Slade Samoa 2008–2014 [ 96] Meg Taylor Papua New Guinea 2014–2021 [ 98] Shanghai Cooperation Organisation (SCO) Secretary-general Dmitry Mezentsev Russia 2013–2015 [ 99] South Asian Association for Regional Cooperation (SAARC) Secretary-general Ahmed Saleem Maldives 2012–2014 [ 100] Arjun Bahadur Thapa Nepal 2014–2017 [ 101] Southern Cone Common Market (Mercosur) Director of the Executive Secretariat Oscar Pastore Paraguay 2014–2016 [ 102] Southern African Development Community (SADC) Executive secretary Stergomena Tax Tanzania 2013–2021 [ 103] Union of South American Nations (UNASUR) President Dési Bouterse Suriname 2013–2014 [ 104] José Mujica Uruguay 2014–2015 [ 105] Secretary-general Alí Rodríguez Araque Venezuela 2012–2014 [ 106] Ernesto Samper Colombia 2014–2017 [ 107] Unrepresented Nations and Peoples Organization (UNPO) Secretary-general Marino Busdachin Italy 2003–2018 [ citation needed ] World Trade Organization (WTO) Director-general Roberto Azevêdo Brazil 2013–2020 [ 108]