Mr. Kackley practiced as a public accountant for Arthur Andersen from 1963 to 1999. From 1974 to 1999, he was an audit partner for the firm, dealing with a substantial number of public and non-public companies. In addition, in 1998 and 1999, he served as Chief Financial Officer for Andersen Worldwide, then a professional services firm operating in more than 100 countries. From June 1999 to May 2002, Mr. Kackley served as an adjunct professor at the Kellstadt School of Management at DePaul University. Mr. Kackley serves as a director, a member of the executive committee, the audit committee financial expert, and the audit committee chairman of Herman Miller, Inc., a Michigan-based manufacturer of office furniture, and as a director, a member of the nominating and governance committee, the audit committee financial expert, and the audit and finance committee chairman of Orion Energy Systems, Inc., a Wisconsin-based manufacturer of industrial lighting. Mr. Kackley served as a director, a member of the nominating and governance committee, the audit committee financial expert, and a member of the audit committee of Ryerson, Inc. from March 2007 to October 2007. Previously, he served on the audit committees of Northwestern University and the Chicago Symphony Orchestra, not-for-profit corporations. He is currently a Life Trustee of Northwestern University and the Museum of Science and Industry (Chicago).