MA and PhD, Yale University. The Charles Handy Professor of Organizational Behavior at London Business School. Previously faculty at INSEAD and Harvard Business School. Author of Act Like a Leader, Think Like a Leader (Harvard Business, 2015) and Working Identity: Unconventional Strategies for Reinventing Your Career (Harvard Business, 2003). Ranked by Thinkers 50 among the most influential management thinkers in the world.