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Hal Gregersen

J. Stewart Black is a professor at INSEAD, the oldest and largest MBA program in Europe. An internationally recognized scholar on change and transformation, he is a frequent keynote speaker at conferences around the world and company functions. He is regularly sought out to work with leading companies on issues of strategy and strategic change, especially with regard to developing leaders and high-potential managers to initiate and execute change in themselves and others. Dr. Black has been a faculty member previously at the Amos Tuck School of Business Administration at Dartmouth College and The University of Michigan. He is the author of 10 other books and more than 100 articles and case studies that have been used in both university classrooms and corporate boardrooms. Dr. Black has lived, worked, and spent significant time in many countries including, Japan, Singapore, Hong Kong, and France.


Hal B Gregersen is a professor of leadership at INSEAD where he delivers world-class research ideas on leading strategic change and innovation to executives from every continent. He regularly consults with senior teams, conducts executive seminars, and delivers keynote speeches on innovation and change in companies such as Christie’s, Daimler, IBM, Intel, Johnson & Johnson, LG, Marriott International, Nokia, Sun Microsystems, and Yahoo. Before joining INSEAD, Dr. Gregersen was a faculty member at the London Business School, the Tuck School of Business Administration at Dartmouth College, Brigham Young University, and Helsinki School of Economics, as well as a Fulbright Fellow at the Turku School of Economics. He has co-authored 9 other books and more than 90 articles and cases on leading innovation and change that have also been highlighted on CNN and in Business Week, Fortune, Psychology Today, and The Wall Street Journal. Dr. Gregersen calls Finland, France, and the U.S. his homes, having lived in all three countries. He also travels the world, camera in hand (a passionate avocation), photographing diverse people and places to foster deeper insight into the dynamics of innovation and change.