Project Management - Best Practices: Achieving Global Excellence, 3ed About the Author Harold D. Kerzner is Senior Executive Director at the International Institute for Learning, Inc. , a global learning solutions company that conducts training for leading corporations throughout the world. He is a globally recognized expert on project, program and portfolio management, ; total quality management and strategic planning. INC. (IIL) is a global leader in professional training and comprehensive consulting services in the areas of Pproject, Pprogram and Pportfolio Mmanagement, PRINCE22122, Business Analysis, Microsoft Office Project and Project Server and Lean Six Sigma. IIL is an IIBA endorsed education provider, a PMI charter global registered education provider, a member of PMI's Silver Alliance Circle member and PMI's Corporate Council