Igor Korobov

Colonel general Igor Valentinovich Korobov (, 3 August 1956 – 21 November 2018) was a Russian intelligence officer. He was the Chief of the Main Directorate of the General Staff of the Armed Forces of the Russian Federation, Russia's military intelligence agency from 2016 until his death in 2018. Korobov was born in Vyazma, a town in Russia's Smolensk Oblast.
On 29 December 2016, Korobov was one of the individuals sanctioned by the United States Department of the Treasury for "malicious cyber-enabled activities" threatening the national security of the United States.
Death.
Korobov died on 21 November 2018 after a long and serious illness in Moscow at the age of 62.