Passed away Friday, August 17, 2018 in Portage. Jack was born September 20, 1941 in Lake Charles, LA to Harold and Elizabeth (Joslin) Oberhill. He graduated from NYU with a double major in Mathematics and Economics and had retired from R.R. Donnelley & Sons Printing Co. in Chicago. Jack was an avid golfer, enjoyed sailing and had raised Andalusian horses. In 2010 in Plainwell he married Janelle Turner who survives. Also surviving are his sons, Erik (Cindy) Oberhill of Bowling Green, KY, Karl (Margaret) Oberhill of Cincinnati, OH and Mike (Katherine) Oberhill of St. Charles, MO; 6 grandchildren, Andrew (Brandi), Stephen, Sydney, Samantha, Sasha and Joanna; his siblings, David Oberhill and Mary Beth "Mernie" Williams. Jack was preceded in death by his parents and a brother Larry Oberhill. According to his wishes cremation has taken place and a Memorial Gathering will be held at a later time. Contributions in memory of Jack may be made to St. Jude Children's Research Hospital or a Hospice of your choice. Messages of condolence may be posted at www.WinkelFuneralHome.com.