Barry Greenhouse is the Senior Vice President, Merchandising and Supplier Management of W.W. Grainger, Inc. He oversees the company’s merchandising capabilities, supplier relationships and cost management. Since joining Grainger in 2004, Barry has held several roles of progressive responsibility in the supply chain organization. Prior to joining Grainger, Barry held roles in operations, sales, marketing, and project management at McMaster-Carr and Webvan. Barry holds a bachelor’s degree in biology and an MBA, both from the University of California, Los Angeles.