Nina Leonova graduated from Plekhanov Russian University of Economics with a master's degree in Finance and Credit in 2000.

Then she worked in the banking and industrial sectors.

Nina Leonova joined EL5-Energo (previously Enel Russia) in 2010 as Head of corporate finance and treasury. In 2015, she was appointed Director of Finance and Insurance. April 28th, 2022, Nina Leonova was appointed Chief Financial Officer of EL5-Energo.