Education
DePaul University.
DePaul University.
Jenness was Chief Executive Officer until December 31, 2006, when he was succeeded by David MacKay. A native of Chicago, Illinois, Jenness received a bachelor"s degree in marketing and an Master of Business Administration from DePaul University. He was a long-time employee of the Leo Burnett advertising agency, eventually becoming vice-chairman and chief operating officer
In 1997, Jenness left Leo Burnett to become Chief Executive Officer of the retail consultancy Integrated Merchandising Systems in Chicago.
He resigned as its Chief Executive Officer upon being named Chief Executive Officer at Kellogg. Although regarded by some as an outsider to Kellogg, Jenness has had a long association with the company.
His first assignment at Leo Burnett in 1974 was an advertising campaign for the Special K brand of cereal. Since then, he worked on campaigns for most of Kellogg"s brands.
He was named to Kellogg"s board of directors in July 2000.