First elected to the state senate in 2020, he succeeded the longtime incumbent James Seward, and assumed office in January 2021.

Prior to becoming a state senator, he served in different local offices and helped launch the company FormTech Solutions.

After graduating from college, he joined his father, also named Peter Oberacker, in operating Spicey Pete's Meats, a market in Schenevus.

[6] Oberacker has a wife named Shannon, who he calls his "high school sweetheart".

He lives in Schenevus, New York and is a member of his local fire department and EMS squad.