Peter M. KettnerPeter M. Kettner was a professor at the Arizona State University School of Social Work. He authored six books, 50 articles, monographs, and book chapters on the topics of purchase-of-service contracting, privatization, macro practice in socialwork, human services planning, and social work administration. Over his 30 year career in academia he served as a consultant to five different state human service agencies and dozens of local nonprofit agencies on their purchase of service contracting practices and in the design and implementation of effectiveness-based planning systems. Read More Read Less