[1] In 1992, he was the Republican nominee for Clerk of the Circuit Court of Cook County, losing the election to Democrat Aurelia Pucinski.
[1] He was appointed in 1990 as a member from suburban Cook County, filling the vacancy left by the death in office of Harold Tyrrell.
[7][8] In 1991, he and president of the Cook County Board of Commissioners Richard Phelan proposed a plan to levy a tax on non-hazardous solid waste accepted by landfill operators.
[15][16] Schumann worked as a property tax analyst employed by the Cook County Board of Review.
[1] In 2014, Schumann ran unsuccessfully for a seat on the Water Reclamation District of Greater Chicago board.
[1] In 2016, Schumann ran unsuccessfully as the Republican nominee for the seat on the Water Reclamation District of Greater Chicago board vacated when Patrick Daley Thompson resigned to assume office as a Chicago alderman.
[1] When he first joined the Cook County Board of Commissioners in 1990, he resided in Palos Hills, Illinois.