My Bottom Line: Justin King, Sainsbury's
Justin King is the chief executive of supermarket chain Sainsbury's, external.
He says you must make sure you hire the best, and give them a share in the business to ensure success.
Justin King appeared on The Bottom Line which is broadcast on BBC Radio 4 and BBC World Service. Subscribe to the podcast or watch it on the BBC News Channel.
Find more business wisdom from other chief executives on the My Bottom Line, external website.