John M. McKeller is director of the supply chain management programs in the executive education unit of the Wisconsin School of Business, as well as a senior lecturer in the school's Grainger Center for Supply Chain Management. His many years of experience in the supply chain management field included positions with Ralston Purina Company, General Dynamics-Convair, and Eli Lilly and Company. A graduate of San Diego State University, John also holds an MBA from Pepperdine University and a DBA in marketing management from the United States International University.