RICHFIELD - Katie Hoffmann and Mike Kaiser announce their engagement. Parents of the couple are Kevin and Deb Hoffmann and the late Elizabeth Hoffmann of Marshall, and Dan and Sheryl Kaiser of Marshall. Hoffmann is a 2006 graduate of Marshall High School and a 2010 graduate of the University of Minnesota with a bachelor's degree in applied economics. Kaiser is a 2005 graduate of Marshall High School and a 2009 graduate of Hamline University with a bachelor's degree in management. A June 2, 2012, wedding is planned at St. Edward Church.