William Isiminger
William Isiminger
Title: Volunteer Assistant Coach
Phone: 630-466-2524

William Isiminger embarks on his fifth season with the Chiefs’ coaching staff as a Volunteer Assistant Coach. Born in Detroit, Michigan, Isiminger was raised in northern Illinois. He began playing tennis at the age of 13 and competed in United States Tennis Association (USTA) tournaments throughout the country until 1985. Isiminger graduated from Aurora West High School before enrolling at Waubonsee. He went on to earn a degree in Electronics with a minor in Computer Science. Coach Isiminger has been a certified tennis instructor for over thirty-five years, and has also occasionally done work as a writer. He and his wife Ruth have been married for 25 years and have three children, Marijke, Hannah and William III, who is a sophomore currently playing #1 singles and #1 doubles at Central College in Iowa.