Doyle, Kevin J. age 64, of Cumming, IA died November 29, 2015, at Taylor House Hospice in Des Moines, IA. Visitation 4 to 7 p.m. Friday, December 4, O'Leary Funeral Services, Norwalk, IA. Funeral Mass 10:30 a.m. Saturday, December 5 at St. John the Apostle Catholic Church, Norwalk. Guestbook: olearyfunerals.com To order flowers call 515-981-0700 Kevin John, the son of William E. and Mary Lucille (Johnson) Doyle, was born January 2, 1951 in Minneapolis, Minnesota. He grew up in the Twin Cities, graduating from DeLaSalle High School in 1969 and the College of St. Thomas in 1973. Incredibly driven, Kevin found his true calling in sales, moving to Iowa in 1973. In 1980, Kevin founded Combined Systems Technology, Inc., an innovative computer brokerage firm. In the early 90's, Kevin went on to found Consumer Safety Technology, Inc., one of the first companies in the country to develop and market a fuel-cell alcohol ignition interlock device (the "Intoxalock"). Kevin met his wife, Marge, while in college in 1970, and they were married in 1975. In 1977, their first son, Glenn, was born, followed by a second son, Kyle, in 1983. He is survived by his wife; his sons; his brother Bill (Deb) of Neenah, Wisconsin; his daughter-in-law Brittany, his granddaughter Elizabeth, and his beloved grand-dog, Gunner.