Our managers need to have a strong integration of managerial skills and technical understanding. One cannot substitute for the other.

To have strongly integrated managers who have a deep understanding of technology is a rare and difficult combination to build. You have to invest a lot in selecting and training these people.

You have got the right strategy, the right geography; you have got the right customers. You need to prioritise them better; we need to grow them better, mind them better. We need to give more value to them, and we need to execute a lot of areas in the organisation where we are not executing.

You need a commitment which is long term and a commitment to leadership, because that's the only way you build excellence.

Leaders are judged on merit and not on caste or family names.

And I'd say one of the great lessons I've learned over the past couple of decades, from a management perspective, is that really when you come down to it, it really is all about people and all about leadership.

The sad fact is, because we've had a failed policy and failed leadership, now we're having to rely on Russians and the Iranians to go into Syria to fight and destroy ISIS.

Most people - including business leaders - want a healthy future for their children.