A celebration of life service for 80-year-old Keith W. Dempster, of Lone Tree will be held Saturday (3/23) at 11 a.m. at the Peterseim Funeral Home in Kalona. Burial will be held at 1:30 p.m. at the Chester Center Cemetery in Chester Center, Iowa. Visitation will be held Friday (3/22) from 4 to 7 p.m. at the Peterseim Funeral Home.