After her husband's presidency ended in 2019, Maryna was a local political candidate for elections in Kyiv.

[2] Her father Anatoly (born 1933) was Deputy Minister of Health of the Ukrainian SSR.

[2] While studying at the Bogomolets National Medical University, she met Petro Poroshenko at a disco.

[3] She worked as a cardiologist at the Zhovtneva Hospital [uk] until the birth of their first son, and after that, she devoted her time to her family.

[5] In a June 2014 televised interview, Maryna said that she plans to engage in social and cultural issues currently facing Ukraine.