John O'Sullivan was a Democratic member of the Illinois House of Representatives for a brief period between August 2010 to January 2011.
He has been the Committeeman since 2010, when he ousted incumbent Dennis Magee.
He is a member of Laborers' International Union of North America Chicago Local 2.
[1] As of 2019, O'Sullivan is the current Worth Township Supervisor.
O’Sullivan resigned in disgrace in 2021 after pleading guilty to a bribery scheme related to kickbacks from a red light camera company.