David Lee is a global executive and Prosci Executive Instructor with over 20 years of change leadership experience spanning Fortune 500 companies, startups, and public sector organizations. As a seasoned change practitioner, he's guided transformation initiatives for American Express, Sabre Holdings, University of Michigan, and numerous other organizations across five continents. Before joining Prosci, David served as Managing Director at MSS Consulting and Executive Director of the Business Transformation Institute. He holds a master's degree in international management from Thunderbird and a bachelor’s degree in business administration from Washington University.