An award-winning teacher, consultant, and author of numerous books on leadership and change, Greg has expertise that covers organizational and individual change, group effectiveness, and conflict resolution. For over 30 years, he has consulted extensively with senior organizational leaders (including board trustees) of companies facing change in industries including telecom, manufacturing, power, digital technologies, financial services, and health care. At Wharton Executive Education, Greg leads program integration in “Leading Organizational Change,” “Becoming a Leader of Leaders: Pathways for Success,” and “Wharton/ASIS Program for Security Executives: Making the Business Case for Security.” A member of the Academy of Management and the American Psychological Association, Greg’s writing has appeared in such journals as Harvard Business Review, Sloan Management Review, California Management Review, Journal of Applied Behavioral Science, Journal of Conflict Resolution, and British Journal of Social Psychology.
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