Letting I dare not wait upon I would is a mug's game, and those who play it usually get mugged. - Robert Heller

CEO of General Electric for 30 years, Jack Welch was declared the greatest manager of the 20th century. Focusing firmly on results, he revolutionized management to achieve phenomenal growth for his company.

No decision in business provides greater potential for the creation of wealth (or its destruction, come to think of it) than the choice of which innovation to back.

Although he reputedly hated the label of ‘guru’, Peter Drucker was, by any standards, the greatest management guru the world has yet seen. In 1996, the McKinsey Quarterly journal described him as the ‘the one guru to whom other gurus kowtow’ and Robert Heller described him as ‘the greatest man in the history of management’, praise indeed for a man who described himself as ‘just an old journalist’.