Alexander Vasilyevich Korzhakov (Russian: Александр Васильевич Коржаков; born 31 January 1950) is a Russian former KGB general who served as Boris Yeltsin's bodyguard, confidant, and adviser for eleven years. He was the head of the Presidential Security Service (PSB) from 1991 to 1996, State Duma deputy from 1997 to 2011, and retired Lieutenant-general. Korzhakov had been Yeltsin's bodyguard since 1985, and on 19 August 1991, he stood next to his boss on top of a tank during Yeltsin's historic speech.