Mark Hamilton Schauer (born October 2, 1961) is an American politician, member of the Democratic Party and former U.S. Representative for Michigan's 7th congressional district, serving from 2009 to 2011.Schauer was previously a member of the Michigan House of Representatives from 1997 to 2002 and a member of the Michigan Senate from 2003 to 2009, where he served as the Minority Leader from 2007 to 2009. In each legislative body, he represented Battle Creek and its surrounding region.