Terry and Sharon Cressman, Stugis, announce the engagement of their daughter, Sarah Elizabeth Cressman, to Rosten Hamman. He is the son of Rod and Sherrill Hamman, Etna Green. The bride-to-be graduated from Sturgis High School in 2008; attended Bethel College; and is currently studying chemical engineering at the University of Notre Dame. The groom-elect graduated from Bethel College in 2012 with a degree in elementary education and is a fifth-grade teacher at Akron Elementary. The couple plan a July 13, 2013, wedding.