Karl John Koster, 67, of Sunrise Beach, died Friday, June 30, 2017, at his home.
He was born Oct. 13, 1949, in Wichita, Kan., a son of the late Martin and Marie (Rosenhagen) Koster, and grew up in nearby Cheney, Kan.
He married Martha Koster May 10, 1980, in Topeka, Kan. She survives of the home.
He served in the Kansas Army Reserves.
He was employed as an industrial engineer for Southwestern Bell, now known as AT&T. He worked in Kansas and Texas, retiring in 2001.
He was a member of Christ the King Lutheran Church in Lake Ozark.
He enjoyed snow skiing, water skiing, traveling, and sailing.
In addition to his wife, he is survived by daughter Heather Denman and husband Jason of Versailles; two grandsons; brother Kent Koster and wife Sandy of Cheney, Kan.; two nieces; two nephews; and many friends.
In addition to his parents, he was preceded in death by brother Donn Koster and a niece.
A celebration of life observance is scheduled 5 to 7 p.m. Saturday, July 15, at the Yacht Club at Porta Cima in Sunrise Beach.
Graveside services and inurnment are scheduled 11 a.m. Saturday, Aug. 19, at St. Paul’s Lutheran Cemetery with a luncheon to follow at St. Paul’s Lutheran Church, both in Cheney, Kan.
Memorial contributions are suggested to Christ the King Lutheran Church, 1700 Bagnell Dam Blvd., Lake Ozark, MO 65049.
Cremation arrangements under direction of the Kidwell-Garber Funeral Home of Versailles.