My Bottom Line: Willie Walsh, International Airlines Group
Willie Walsh is chief executive of International Airlines Group which includes British Airways and Iberia.
He says mistakes can be a great motivator and points to his own company's disastrous opening of Terminal 5 at Heathrow Airport.
Successfully overcoming a set-back can also give staff a great sense of achievement and Willie says the trouble with Terminal 5 turned out to be a great learning experience and has led his company to aim even higher.
Find more business wisdom from other chief executives on the My Bottom Line website.