Igor Dmitrievich Sergun (Russian: ?´???? ???´??????? ?????´?, IPA: ['ig?r? 'd?m?itr??j?v??t? s??r'gun], 28 March 1957 – 3 January 2016) was Director of GRU, Russia's military intelligence service, from 2011 until his sudden death.
He was promoted to Colonel General on 21 February 2015.