Marc C. Duff (born July 4, 1961) is a former member of the Wisconsin State Assembly.
Duff was born on July 4, 1961, in Port Washington, Wisconsin.
[1] He graduated from New Berlin Eisenhower Middle/High School in New Berlin, Wisconsin as well as the University of Wisconsin-Whitewater and the Robert M. La Follette Institute of Public Affairs at the University of Wisconsin-Madison.
He was also a member of the Waukesha County, Wisconsin Board from 1988 to 1989.
Duff remains active in school business management.