Porter is engaged in a major new body of work on the theoretical foundations of competitive positioning and the underpinnings of sustainable competitive advantage. This research highlights the distinction between positioning and operational effectiveness; the... View Details

Leonard A. Schlesinger is Baker Foundation Professor at the Harvard Business School where he serves as Chair of the School’s Practice based faculty and faculty Chair of the MBA Field Global Immersion program. He has served as a member of the HBS faculty from 1978 to... View Details

Lynn Sharp Paine is a Baker Foundation Professor and John G. McLean Professor of Business Administration, Emerita, at Harvard Business School. A member and former chair of the General Management unit, she has served in numerous leadership positions including Senior... View Details

A major area of Professor Torfason's research is the behavior of individual social network structures. He studies the violation of norms – specifically the use of excessive force in conflict situations – within the empirical context of a large online... View Details

Jeffrey F Rayport is a faculty member in the Entrepreneurial Management Unit at Harvard Business School, where he teaches in the School’s MBA and Executive Education Programs and on HBS Online. His primary focus in teaching and research is growth-stage technology... View Details

Earl Sasser is a Baker Foundation Professor at Harvard Business School and has been a member of the faculty there since 1969. He received a B.A. in Mathematics from Duke University in 1965, an MBA from the University of North Carolina in 1967, and a Ph.D. in... View Details