[2] Member of the Union of Theatre Workers of the Russian Federation .

In 1991, aged 15, he moved to Moscow, where he entered the State College of Circus and Variety Art and graduated from it, receiving a red diploma with honors.

In 1999 he graduated from the Boris Shchukin Theatre Institute (course of Vladimir Ivanov).

[3] Teacher of acting at the State College of Circus and Variety Art.

[5] In April and May 2022, Oleshko participated in a series of concerts organized in order to support the 2022 Russian invasion of Ukraine.