DR STEWART Black, 49, is the executive director of the Insead business school's Centre for Human Resources in Asia, which conducts research and serves as a learning hub for senior HR executives from about 30 large multinationals.

The American is the co-author of a bestseller on leading change, It Starts With One, and a leading textbook, Management: Meeting New Challenges, along with 10 other books on leadership, globalisation and strategy.

He was based in Singapore from 2005 till recently as Affiliate Professor of Organisational Behaviour at Insead. He now lives in Colorado, in the United States, where he is in charge of the business school's executive development activities for the Americas region.

Prior to joining Insead in 2005, he was Professor of Business Administration at the University of Michigan. He is married with five children aged six to 24.