Kaylene and Steve Mathieu of Quinnesec announce the engagement of their daughter, Karissa Lee Mathieu, to Brandon Michael Welch of Grand Rapids, Mich., son of Dawn and Eldon Welch of Bellevue, Mich. They will be married on May 5, 2018, at the Cornerstone Church in Wyoming, Mich., where Brandon’s father will officiate. Their reception will follow at the Pearl Room at Waldron Public House in Grand Rapids. Karissa graduated from Kingsford High School in 2012, moving to Grand Rapids at that time, where she became a paramedic. She now is working in the emergency room at Mercy Health in Muskegon, Mich. She will be going into the trauma nursing program in 2019. Her grandparents are Dean and Sharon Sleik of Iron Mountain and Carol Kroening of Watertown, Wis. Brandon graduated from Sun Bright, Tenn., in 2009. He then served five years in the U.S. Marine Corps. He is currently a corrections officer at Bellamy Creek Correctional Facility in Ionia, Mich., and is serving in the National Guard. His grandparents are Eldon and Suzy Welch, Sandy Welch, and Terry and Sandra Entrican. The couple has purchased a home in Kent City, Mich., where they currently reside.