Koster, Mark. Passed away peacefully December 26, 2021 at the age of 68. Loving husband of Lori (nee Cook). Brother of Gary (Terri) Koster, Kurt (Linda) Koster, Karl (Amber) Koster and Krissy (Scott) Best. Also survived by nieces, nephews, other relatives and friends. A memorial service for Mark will be held at a later date -- please check back for more details as they become available. Mark was an avid fisherman and golfer. He was a wonderful cook, specializing in haute cuisine. Mark enjoyed woodworking in his spare time, building beautiful cabinetry for family and friends.