Longtime Fond du Lac County Board chairman Marty Farrell is not running for re-election. Farrell has filed declaration of non-candidacy papers. He is the fifth incumbent supervisor not seeking re-election and there are two open seats in two other supervisory districts. Incumbents, Robert Giese, Tom Kitchen, Lisette Aldrich and Brian Kolstad have also announced they are not running for re-election. There are also open seats in District 16 and District 25.