Paul Bulcke has taken the helm at Nestlé during a turbulent time for the food industry. However, the world's largest food company has, so far, weathered the storm unscathed. In fact, Katy Humphries writes, one of Bulcke's biggest challenges will be to decide exactly what to do with the billion-dollar payout from the sale of Nestlé's stake in US eye care company Alcon.