Callsen, Fred W. 79, of Sun Lakes, passed away peacefully June 6, 2014. Fred was born August 19, 1934 in Detroit, MI. He joined the Army after graduating from high school. He worked as a Mechanical Engineer and was associated and held offices in SME for several years. He later opened his own business, Callsen Engineering Services with customers in Phoenix and Tucson. He loved God, his family and fishing, both deep sea and local lakes. Fred is survived by wife Virginia, two brothers Donald (Alice) and Robert (Ginger). He has two daughters, Karen Winter (Tim), Susan Wright (Patrick), three step children, Terri Hegedus (Joe), Ronald Baird (Joyce), and Frank Baird (Esti). He also has 10 grandchildren and 10 great-grandchildren. Services will be held Thursday, June 19, 2014 at 1:00 p.m. at Sun Lakes United Methodist Church Chapel, 9248 E. Riggs Rd., Sun Lakes, AZ. Arrangements under the direction of Valley of the Sun Mortuary, Chandler, Arizona.