William S, Kellogg is a billionaire businessman who, with partners John Herma and Jay Baker, took control of Kohl's department store chain following their 1986 management buyout. Expanded family-operated 40-store chain into 674-branch empire. Kellogg climbed from store manager to CEO and Chairman. He retired from day-to-day operations 2001. Kellogg was also an investor in used-car chain CarMax.