Imangali Nurgaliuly Tasmagambetov born 9 December 1956 is a Kazakh politician and diplomat, who is the current Secretary-General of the Collective Security Treaty Organization since January 2023.[2] He was the Kazakh Ambassador to Russia from 2017 to 2019.[3] He was Deputy Prime Minister of Kazakhstan from 2016 to 2017 and Minister of Defense of Kazakhstan from 2014 to 2016.[3][4] He was the akim of Astana from 2008 to 2014 and from 2004 to 2008, as akim of Almaty. Before that, from 2002 to 2003, he was the Prime Minister of Kazakhstan.