The Michigan Republican Party is the state affiliate of the national Republican Party in Michigan, sometimes referred to as MIGOP. Ronald Weiser was elected chairman in 2021. Ronna Romney McDaniel was the chairwoman of the party, having been elected in 2015 by delegates to the Republican State Convention. McDaniel is now the Republican National Committee Chairwoman. The Michigan Republican Party hosts a biennial political conference at the Mackinac Island Grand Hotel called the Mackinac Republican Leadership Conference. The event features notable national Republicans, senators, governors, and presidential candidates.