He is Certified in Purchasing Management (CPM), Certified Fellow in Production and Inventory Management (CFPIM) and Certified in Integrated Resource Management (CIRM). Penfield created and developed the Fundamentals of Sourcing and Strategic Sourcing classes at Syracuse University. He was voted Professor of the Year at the Whitman School of Management in 2007. Penfield has over 20 years of work experience in Supply Chain Management, he has worked with Johnson & Johnson, Philips Electronics and, The Raymond/Toyota Corporation and has purchased over a billion dollars worth of product during his career.