Jeffrey Hull, Ph.D., is an author, educator, and consultant with more than twenty years' experience partnering with C-suite executives on issues of high-performance leadership, change management, organizational strategy, structure, and culture. He is a highly sought-after facilitator, keynote speaker, and executive coach to both nonprofit and for-profit global organizations. The CEO of Leadershift Inc., a management consultancy based in New York City, he is also a clinical instructor in psychology at Harvard Medical School and an adjunct professor of leadership at New York University.