Ann E. Ziegler

Ms. Ziegler has been a director since January 2018. She served as Senior Vice President and Chief Financial Officer of CDW Corporation, a leading provider of technology solutions, from 2008 through 2017. From 2005 until 2008, Ms. Ziegler served as Senior Vice President, Administration and Chief Financial Officer of Sara Lee Food and Beverage, a division of Sara Lee Corporation, a global consumer goods company. From 2003 until 2005, she served as Chief Financial Officer of Sara Lee Bakery Group. From 2000 until 2003, she served as Senior Vice President, Corporate Development of Sara Lee. Prior to joining Sara Lee, Ms. Ziegler was a corporate attorney at the law firm Skadden, Arps, Slate, Meagher & Flom. Ms. Ziegler also serves on the Boards of Directors of Hanesbrands Inc., Groupon, Inc., and Wolters Kluwer N.V. She also serves on the Board of Governors of the Smart Museum of Art of the University of Chicago.