My Bottom Line: Nick Buckles, G4S

Nick Buckles is chief executive of the international security solutions group G4S.

Reflecting on the challenges his company faced after 9/11, and the lessons he learned, he advises people to remember that however bad a crisis is, it will pass.

Nick 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.