Ralph Kauffman Ralph G. Kauffman, Ph.D., C.P.M., is Assistant Professor of Management and coordinator of the Purchasing and Supply Management Program at the University of Houston - Downtown. He spent more than a quarter-century in industry in procurement and suply management. Dr. Kauffman is the chair of the NAPM's NonManufacturing NAPM Report on Business and the prior chair of the Manufacturing NAPM Report on Business. Read More Read Less