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Ann E. Ziegler, most recently senior vice president, chief financial officer and executive committee member at CDW, is a qualified financial expert with significant public company and audit and compensation committee experience. Prior to joining CDW, Ms. Ziegler held a number of executive positions with Sara Lee including finance, strategy and general management roles in both U.S. and international businesses. Ms. Ziegler serves on the Boards of Hanesbrands, Inc., Groupon, Inc., Wolters Kluwer, Revolution Foods, The Chicago Network, and the Smart Museum of Art. She earned a bachelor’s degree in economics from the College of William and Mary and a law degree from the University of Chicago Law School.