Isaac Elking is an associate professor of supply chain management at the University of Houston – Downtown’s Marilyn Davies College of Business. Prior to receiving his doctorate in Supply Chain Management from the University of Maryland, he worked in Contracting & Procurement for Shell Oil Company. His research interests include buyer-supplier relationships, innovation, and sustainability in supply chain management. His research has been published in journals such as the Journal of Supply Chain Management, the Journal of Business Logistics, the International Journal of Logistics Management, and Transportation Journal.