Igor Dmitrievich Sergun[a] (Russian: Игорь Дмитриевич Сергун, IPA: [ˈiɡərʲ ˈdmʲitrʲɪjɪvʲɪtɕ sʲɪrˈɡun]; 28 March 1957 – 3 January 2016) was a Russian military officer who was a director of GRU, Russia's military intelligence service, from 2011 until his death in January 2016. He was promoted to colonel general on 21 February 2015.