She was a member of the Federation Council between 2016 and 2021 and deputy of the 8th State Duma since 2021.

[1] In 1983, Kusayko graduated from the Kharkiv National Medical University and went to Murmansk to work in a local hospital.

In June 2011, she was appointed chief physician of the municipal budgetary healthcare institution "Children's Polyclinic No.

In 2016, Kusayko became a member of the All-Russia People's Front central office.

On 18 September 2016, she was elected a deputy of the Murmansk Oblast Duma of the 6th convocation for United Russia.