Attendees to this year’s Modex expo — to be held March 17 to 20 at the Georgia World Conference Center, in Atlanta — will be treated to not one but three keynote speakers. On Monday, March 17, Delta Airlines president Edward H. Bastian will address, “Shipping Trends for Global Supply Chains.” The next day, former Walmart president and CEO Lee Scott will discuss how to build logistics supply chain organizations. And on Wednesday, March 20, MHI CEO George Prest will present the new report, “Preview of the MHI Industry Report: Trends Driving Supply Chain Innovations.”