My Bottom Line: Nick Buckles, G4S
Nick Buckles is chief executive of the international security solutions group G4S, external.
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, external website.