Peter Karl Oberacker Jr. is an American businessman and politician. He is a member of the New York State Senate representing the 51st district. The boundaries of the 51st district changed following the 2020 United States redistricting cycle, and the district now includes portions of Broome, Chenango, Delaware, Otsego, Schoharie, Sullivan, and Ulster counties. 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.