Calderon is chairman of the Elections, Reapportionment and Constitutional Amendments Committee. Senate President Don Perata selected Calderon to lead senate efforts to reform term-limits and redistricting laws, as well as moving the state’s presidential primary from June to February. Calderon also chairs the Select Committee on International Business Trade, in addition to sitting on the Appropriations and Energy, Utilities and Communications committees. Calderon also sits on the California Film Commission, which is tasked with promoting and subsidizing the California film industry.