Thomas A. Stewart joined Harvard Business Review (HBR) as the editor in November, 2002. Prior to joining HBR, he was the editorial director of Business 2.0 and a member of the board of editors of FORTUNE . A pioneer in the field of intellectual capital, he's the author of “Intellectual Capital: The New Wealth of Organizations” and “The Wealth of Knowledge: Intellectual Capital and the Twenty-First Century Organization.” He is a fellow of the World Economic Forum. [+]