Erzhan Hozeuly Kazykhanov is a Kazakh politician who serves as diplomat. Kazykhanov holds a newly created position in the presidential administration with the title of Special Representative for International Cooperation. Prior to his appointment as the Ambassador to the U.S., Kazykhanov has served as Kazakhstan's Ambassador to the United Kingdom of Great Britain and Northern Ireland. Before becoming Ambassador to the UK, he held the position of Assistant to the President of the Republic of Kazakhstan and Minister of Foreign Affairs of Kazakhstan. He previously served as the Deputy Minister of Foreign Affairs of Kazakhstan, as well as the Ambassador of Kazakhstan to Austria, Permanent Representative of Kazakhstan to the International Organizations in Vienna and Permanent Representative to the United Nations in New York.

Kassym-Jomart Kemeluly Tokayev is a Kazakh politician and diplomat who has served as the President of Kazakhstan since 2019. Between 20 March and 12 June 2019, he served as acting president after the resignation of Nursultan Nazarbayev, who had been president for nearly three decades.