Mary Felzkowski is a member of the Wisconsin State Senate, representing District 12. She assumed office on January 4, 2021. Her current term ends on January 3, 2029. Felzkowski ran for re-election to the Wisconsin State Senate to represent District 12. She won in the general election on November 5, 2024. Felzkowski was first elected to the chamber in 2012. Prior to January 2017, she went by Mary Czaja. On November 7. 2024, Felzkowski was elected Senate President of the Wisconsin State Senate, assuming office on January 6, 2025.