Bob Zieger is the Category Manager - Plastics and Raw Materials for Ariba, Inc. (http://www.ariba.com/) In this role, he provides commodity knowledge and strategic sourcing direction for Ariba’s clients, covering a range of industrial raw material and petrochemical markets. Prior to joining Ariba, he spent eleven years in the plastics industry in both engineering and sourcing management roles.

Bob holds an MBA from the Katz Graduate School of Business at the University of Pittsburgh, and a Bachelor of Science degree in Chemical Engineering, with distinction, from Penn State University.