US executive coach, Marshall Goldsmith, one of the world’s most influential management thinkers and pioneer of 360-degree feedback, tells Liz Hall how he helps successful leaders achieve positive behaviour changes, and why he gives away most of his advice

American leadership thinker Marshall Goldsmith is one of the world’s best-known, most influential and also best-paid executive coaches. He works with high-profile leaders and often very wealthy people. His mission is to help these successful leaders achieve positive, long-term, measurable change in behaviour:...