Marat Mukhanbetkazyuly Tajin is a Kazakh politician. He served as the Foreign Minister in the Government of Kazakhstan from 2007 to 2009. He previously served as Secretary of the National Security Committee (NSC). In September 2009 he was named an advisor to President Nursultan Nazarbayev and secretary of Kazakhstan's Security Council. Marat Tajin was appointed First Deputy Head of the Executive Office of the President of the Republic of Kazakhstan in January 2017.

The National Security Committee of the Republic of Kazakhstan is an intelligence agency in Kazakhstan founded on 13 July 1992. It primarily manages the Border Service of Kazakhstan, which conducts oversight over the international borders of Kazakhstan. The NSC also oversees the Arystan ('Lions') commando unit.