Oleksiy Oleksandrovych Leonov was born on 26 February 1983 in the city of Odesa, then under the rule of the Soviet Union.

He is a graduate of the Odesa Maritime Tourist Service Higher Vocational School, and is trained in cooking.

[1] Since 2014, Leonov has been engaged in social activities, including leading the public campaign "I'm an Odesan, and I don't care".

[1] Leonov ran in the 2019 Ukrainian parliamentary election to be a People's Deputy from Ukraine's 135th electoral district in the city of Odesa.

[4] Anti-corruption non-governmental organisation Chesno also criticised Leonov for breaching financial disclosure laws by not stating that he spent over ₴92,000 in online advertisements during his campaign.