1. Management Department, Seidman College of Business, Grand Valley State University
2. Helen Robson Walton Chair in Marketing Strategy, Marketing & Supply Chain Management, Michael F. Price College of Business, University of Oklahoma
3. Harry J. & Vivienne R. Bruce Chair of Excellence, Supply Chain Management, Haslam College of Business, University of Tennessee, Knoxville
4. FedEx Corporation Endowed Professor of Supply Chain, Haslam College of Business, University of Tennessee, Knoxville