Sultan Temirbayev was born in 1986 and is a citizen of the Republic of Kazakhstan.

Sultan Temirbayev graduated from Durham University (University of Durham UK) with a Bachelor of Economics degree, as well as Tomsk Polytechnic University for professional retraining "Technology of underground uranium Leaching" and Astana School of management and Business under the Global MBA International Management Program.

He started his career in 2008 at Zhana Temirzhol LLP as a specialist in the Accounting Department.

From 2009 to 2020, he held various positions at ENRC Logistics LLP, Kazakhstan Freight Company LLP, Kazakhstan Petrochemical Industries Inc. LLP and Odyssey Investments Group LLP, including Specialist of the Investment Department, Deputy General Director for Economics and Finance, Chief Specialist of the Local Content Department, Director, Deputy Director of the Planning and Monitoring Department, First Deputy Director General

From February 2020 to August 2023, he held the position of Deputy General Director for Economics and Finance of Inkai Joint Venture LLP.

Since August 2023, he has been the Chief Director for Economics and Finance of JSC NAC Kazatomprom.