Dr. Thomas and Karen Riechers, Washington, announce the engagement of their daughter, Amber Riechers, Washington, to Christopher Sumner, Washington, son of Patrick and Donna Sumner, Peculiar.

Amber is a graduate of Washington High School and earned a B.A. in English and education from William Jewell College. She is employed as a teacher at Washington Middle School.

Christopher is a graduate of Raymore Peculiar High School and earned a B.A. in biochemistry from William Jewell College. He’s employed as a chemist at Mallinckrodt, St. Louis.

The couple plan a Dec. 28, 2013, wedding at 5 p.m. at The Vineyard at Riverbend Chapel.