He is currently the president of the St. Louis Amateur Baseball Association, a position he has held since 2011. He has been on the SLABA Board of Directors since 1992. From 1991 to 2012, Wilke was the head coach of the SLABA American National West team. In 1992, he coached his team to the Missouri AABC championship. He started the American National West program in St. Charles that developed into 17 teams for high school age players. From 1992 to 2007, he was the assistant director of the American National West program, and he was the director from 2007 to 2012. Wilke received the Muskopf-Sears Distinguished Service Award presented by the St. Louis Amateur Baseball Association. From 1979 to 1986, he was the Baseball Commissioner at the Bridgeton Athletic Association. In 1978, Wilke founded Sports Stats which serves over 200 high schools in the St. Louis area by providing box scores, photos, stories, and data to the Post-Dispatch and STLtoday. He managed Sports Stats for over 35 years, writing some of the first baseball statistic computer programs. In 1995, he created one of the first high school websites in America for baseball and other sports. Wilke played baseball at Duchesne High School from 1963 to 1966. He was a baseball and basketball player at SIU-Edwardsville from 1968 to 1970.