Jeffrey R. Williams is professor of strategy at Carnegie-Mellon University Business School, where he is the school's highest-rated speaker and faculty advisor to the school's executive programs. His article "How Sustainable Is Your Competitive Advantage?" won "California Management Review's" Pacific Telesis Award for improving the practice of management. Some of his consulting clients include IBM, AT&T, National Semiconductor, Bristol-Myers Squibb, Mellon Bank, Holiday Corporation, and Robert Bosch GmbH.