Karl D. Dexheimer, 68, of O'Fallon, IL, born May 16, 1942, in St. Louis, MO, died unexpectedly Thursday, November 25, 2010, at St. Louis University Hospital in St. Louis MO, surrounded by his loving family. Mr. Dexheimer was Of Counsel to the law firm Greensfelder, Hemker and Gale, P.C.. He graduated from Millikin University in 1964, and from Washington University School of Law in 1967. He was admitted to practice in Illinois, Missouri, and numerous federal courts, including the Supreme Court of the United States. He was a Fellow of the American Bar Foundation (life member), a Fellow of the Illinois State Bar Association, a sustaining member of the Product Liability Advisory Council, a member of Sigma Alpha Epsilon and a Founding Member of its Levere Memorial Foundation. Mr. Dexheimer served on the McKendree University Board of Trustees for 22 years where he was Treasurer of the Board, Chair of the Adminstration and Finance Committee and member of the Executive Committee. He also served as treasurer and vice president on the Board of the Belleville Area Humane Society.