Timur Asqaruly Kulibayev (also Qulybaev; Kazakh: ????? ???????? ????????; Russian: ????´? ????´????? ??????´??, born 10 September 1966) is a Kazakhstani business oligarch and son-in-law of former Kazakh president Nursultan Nazarbayev.
Kulibayev has held several positions in important state-owned enterprises that manage Kazakhstan's natural resources, and has immense influence over the country's hydrocarbon industry.He is the former Chairman of the Management Board of Samruk-Kazyna National Welfare Fund and a member of the Board of Directors of the Gazprom company.
As of October 2017, he was listed as the third-richest man in Kazakhstan and the 973rd-richest in the world with a fortune of $2.3 billion.
Kulibayev has been called "the most important business figure in the resource-rich" Republic of Kazakhstan by The Daily Telegraph.