Pozdniakova was born in Novosibirsk, where she was coached by Sergey Stepankin at the Fencing Center.

[7] Her mother, Anastasia, is Master of Sports and secretary at the Fencing Federation of the Novosibirsk Oblast.

[8][9] She decided to follow in her parents' footsteps at the age of 10, and abandoned swimming and acrobatic gymnastics.

[9] In September 2020, Pozdiakova married Saratov-based two-time world individual junior sabre champion and Olympic fencer Konstantin Lokhanov.

[12] He emigrated to the United States in 2022 in the wake of the Russian invasion of Ukraine, however, strongly opposed to Russia's war.