Marianna Maksimovskaya until the end of 2014 worked as the leader at Ren-TV TV channel, before she also held different positions on NTV, TV-6 and other federal channels.
After leaving from television Maksimovskaya worked as the vice president of the communication group "Mikhaylov and Partners", and since 2016 — the vice president of the Novacom holding created on the basis of this group.
In March, 2017 it became known that the former TV host Marianna Maksimovskaya can hold in Sberbank of Russia a position of the senior marketing vice president and to communications. Earlier this post was held by Svetlana Mironyuk. According to Echo of Moscow, to a position Marianna Maksimovskaya was not approved by board of Sberbank. However, according to Gref, the board did not consider a question. Maksimovskaya reported that she refused to pass into Sberbank earlier.