Bradley and Shelley Koster of Hessel announce the engagement of their daughter, Kathryn Bradley Koster of Hessel, to Geoffrey Hale William Hamilton, also of Hessel. Mr. Hamilton is the son of Dr. Kenneth and Jane Hamilton of Saint Clair Shores.
Miss Koster is a 2012 graduate of Michigan State University. She is employed as an executive assistant at Mission Point Resort on Mackinac Island.
Mr. Hamilton is a 2010 graduate of the Great Lakes Boat Building School in Cedarville. He is employed as general manager of E.J. Mertaugh Boat Works in Hessel.
An October 6, 2017, wedding is planned at Mission Point Resort.