Education
Security Service Major General Kozhemiakin graduated in 1986 from the Kiev Higher Naval Political School and the Taras Shevchenko National University of Kyiv (majoring in "jurisprudence").
Security Service Major General Kozhemiakin graduated in 1986 from the Kiev Higher Naval Political School and the Taras Shevchenko National University of Kyiv (majoring in "jurisprudence").
From 1982 till 1988 Kozhemiakin served as an officer in the Black Sea Fleet of the Soviet Navy. From 1988 till March 2006 he served as a senior security officer in the Komitet Gosudarstvennoy Bezopasnosti (Committee for State Security) and later in the SBU. In 2006 and 2007 Kozhemiakin was elected into Parliament on an Yulia Tymoshenko Bloc ticket. After the 2007 election Ivan Kyrylenko was elected faction leader of Yulia Tymoshenko Bloc in the Ukrainian Parliament.
The faction re-elected Kozhemiakin as its faction leader on 7 December 2011.
Kozhemiakin was placed at number 11 on the electoral list of Batkivshchina during the 2012 Ukrainian parliamentary election. He was re-elected into parliament.
In the 2014 Ukrainian parliamentary election he was again re-elected into parliament. This time after placing 13th on the electoral list of Batkivshchina.