Risser (born May 5, 1927) is a Democratic member of the Wisconsin Senate, representing the 26th District since 1962.
His district includes most of the west side and central neighborhoods of Madison, including the campus of the University of Wisconsin–Madison.
He previously served in the Wisconsin Assembly from 1957 to 1962.
Risser has never lost an election and is the longest-serving state legislator in American political history.Upon the death of New Mexico State Senator John Pinto in May 2019, Risser became the only remaining World War II veteran currently serving as a state legislator in the United States.