Chairman of the Board, Kellogg Company. Mr. Jenness was elected Chairman of the Board of Kellogg Company, a producer of cereal and convenience foods, in 2005. He also served as Chief Executive Officer of Kellogg from 2004 through 2006. Mr. Jenness was Chief Executive Officer of Integrated Merchandising Systems LLC, a market leader in outsource management for retail promotion and branded merchandising, from 1997 to 2004. He served in various positions of increasing responsibility at Leo Burnett Company, Kellogg's major advertising agency partner, from 1974 to 1997, including as Vice Chairman, Chief Operating Officer and Director. He is a member of the board of directors of Children's Memorial Hospital and the Mercy Home for Boys and Girls. He also serves on the DePaul University College of Commerce Advisory Council, is a member of DePaul's Board of Trustees and is co-trustee of the W. K. Kellogg Foundation Trust.