Ilham Aliyev
President of Azerbaijan

Kassym-Jomart Kemeluly Tokayev
President of Kazakhstan

Miroslav Lajcak
Minister of Foreign and European Affairs of Slovakia

Maroš Šefčovič
European Commissioner for the Energy Union

Irina Bokova
Director-General of UNESCO (2009–2017)

Štefan Füle
European Commissioner for Enlargement and European Neighbourhood Policy (2010–2014)

Munkh-Orgil Tsend
Minister of Foreign Affairs of Mongolia

Sergey Lavrov
Foreign Minister of Russia