Prior to that, he served as the Aqorda Chief of Staff under Kassym-Jomart Tokayev's administration from 2019 to 2022, äkim of Karaganda Region from 2017 to 2019 and the head of the Prime Minister's Office from 2012 to 2017.

[1] While serving as deputy, Qoşanov headed the Amanat parliamentary group in the lower house Mäjilis during the 7th convocation until its dissolution in 2023.

In 1984, he graduated from the Dzhezkazgan Branch of the Karaganda State Technical University with a degree in mechanical engineering and then in 1991, from the Higher Commercial School at the All-Russian Academy of Foreign Trade.

[11][12] Qoşanov's nomination was proposed by Nur Otan MP Erlan Sairov who noted his experience in many fields including legislation while Qoşanov himself at the hearing thanked the support, stressing that President Tokayev's proposed reforms is "is our common task.

From there, he stressed that the party should be actively involved in its transformation by fully contributing to increasing the effectiveness to carry out the presidential course of reforms.