John Curran is a member of the Illinois State Senate, representing District 41. He assumed office in 2017. His current term ends on January 13, 2027. Curran is running for re-election to the Illinois State Senate to represent District 41. He is on the ballot in the general election on November 3, 2026. He advanced from the Republican primary on March 17, 2026. Curran was elected to serve as Senate Minority Leader for the 2023-2024 session.