MARSHALL - Joni Coleman and Jamie Seitzer announce their engagement. Parents of the couple are Matt and Lori Coleman of Marshall and Jerry and Carol Seitzer of St. Peter. Coleman graduated in 2008 from the University of Minnesota with a bachelor's in child psychology and in 2010 from Loyola University Chicago with a Masters of Social Work. She is a licensed independent clinical social worker at Western Mental Health Center in Marshall. Seitzer is a 2009 graduate of the University of Minnesota with a bachelor's in agricultural business. He is a sales effectiveness manager in southern Minnesota for Pioneer Hi-Bred. The couple plans an Aug. 3, 2013, wedding at Wesley United Methodist Church in Marshall.