Dart Bank, based in Mason, Mich., has promoted Susan Zivic to Vice President, Executive Administrator and Corporate Affairs..In this role, Zivic directly supports President and CEO, William J. Hufnagel, managing executive priorities, coordinating across leadership and providing executive-level support to the board of directors. She also oversees corporate affairs and events across the bank's 13 offices. Zivic, a 20-year veteran of Dart Bank with more than 25 years in financial services, is a graduate of Central Michigan University and the Michigan Bankers Association Perry School of Banking.