Since March 9, 2023, Chairman of the Board of "Kazakhstan Agency of International Development KazAID" NJC.

In 1996–1998, he was Adviser to the chairman, head of Commercial Department, Vice-chairman in Almaty Trade and Financial Bank.

[3] In 2006–2011, he took a position of a Chairman of the Agency for regulation of the regional financial center of Almaty city (RFCA).

Since March 9, 2023, Chairman of the Board of "Kazakhstan Agency of International Development KazAID" NJC.

144 Arystanov was awarded the diplomatic rank of Extraordinary and Plenipotentiary Envoy of the II class.