My Bottom Line: John Vincent, Leon

John Vincent is the co-founder of the Leon Restaurants, external chain.

He warns that you must not let your ego get in the way when you are making important analytical decisions - even if others think you are wrong.

John appeared on The Bottom Line, external, which was broadcast on BBC Radio 4, external, the BBC World Service, external and the BBC News Channel, external. You can also download the podcast, external.

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