Herbert H. McMillan is a Republican former member of the Maryland House of Delegates, representing District 30 in Anne Arundel County, MD from 2003 to 2007 and from 2011 to 2019. He served alongside Democrat Michael E. Busch and Republican Ron George. In 2006 he challenged District 30 Senator John Astle, a Democrat, who defeated him 53 percent to 47 percent. In 2022, McMillan unsuccessfully ran for the Republican nomination for Anne Arundel County executive.

Michael Erin “Coach” Busch was an American politician and member of the Democratic Party who served as the 106th Speaker of the Maryland House of Delegates from 2003 until his death in 2019. Busch was a member of the House for nine terms, beginning in 1987. He represented all of legislative District 30 prior to redistricting in 2012, and represented District 30A after the district was split following the 2010 census. The district encompasses parts of Anne Arundel County, including the state capital of Annapolis.