John Adair is the world's leading authority on leadership and leadership development. Over a million managers worldwide have taken part in the Action-Centred Leadership programmes he pioneered, and he advises many organizations in business, government, education, health and the voluntary sector. John is the author of over 50 books, including the leadership classic Not Bosses But Leaders, (also published by Kogan Page), and he continues to write and teach throughout the world, inspiring new audiences with his vision of leadership.