My Bottom Line: Miles Roberts, chief executive, DS Smith

Miles Roberts is chief executive of packaging manufacturer DS Smith.

He says it is vital that you find a higher purpose in what you do - especially if you occupy a senior role. If you do not believe passionately in what you do, find another job.

Miles 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 website.

  • Business