M. Stephen Mahaffey


M. Stephen Mahaffey teaches in the Supply Chain Management program at Portland State University’s School of Business. He possesses more than 30 years of executive management experience in supply chain, operations, and sales management. Over much of his career, Stephen has helped organizations address their business evolution challenges, working for companies such as PermaCold Engineering and Johnstone Supply. 

Stephen’s teaching style is to “approach the classroom as I do with business; in a collaborative style that engages and energizes internal talent with the external body of knowledge to deliver best practice advancements.” He holds a BS in Business Management from Linfield College and an MBA from Marylhurst University.