Dennis is the past-president of Cloverleaf Lakes Protective Association. Dennis is active in the Shoreline Restoration Projects around the lake, along with the Belle Plaine Sportsman’s Club and their fish-sticks program. The Clover Leaf Lakes are located in the Town of Belle Plaine in Shawano County. They are made up of three connected lakes, Grass, Pine, and Round for a total of approximately 320 acres. Dennis is also a member of the Belle Plaine Town Board.