Timothy R. Clark is considered a global authority in executive development, change management and employee engagement. A powerful and highly sought-after speaker, Dr. Clark speaks to organizations and advises leaders around the world. Dr. Clark is the author of "Epic Change" (Jossey-Bass 2008), named the top management book on the subject of change. Dr. Clark is a former CEO, earned a doctorate from Oxford University, and was an academic all-American football player at Brigham Young University.