Landmark Credit Union, New Berlin, Wis., has named Julie Cooper business loan officer and Michelle Polacheck training and development officer. Missouri Credit Union Association, St. Louis, has named Bob Ruh director of plastic card sales/implementations. Motor Parts Federal Credit Union, Auburn Hills, Mich., has named Robin R. Johnson executive vice president. Michigan First Credit Union, Detroit, has elected the following officers to its board: Raymond Dudus, chair; Leslie Brown, vice chair; Ines DeJesus, secretary; and Clifford Brown treasurer. In addition, MFCU has elected Pat Adams supervisory committee chair and Linda Parker supervisory committee alternate. Barbara Coulter, Richard LeMoyne, Diane Manica and Nadine Tibbs-Stallworth were all elected directors.