After more than a decade as managing director at SC Johnson, three years in the same role at Lion Breweries, then nearly 20 years as the boss of Fonterra Brands, there’s not much Peter McClure doesn’t know about how to launch a product. As he steps down from the role he tells Amanda Sachtleben about grabbing shoppers’ eyeballs in eight seconds, why that lightproof milk bottle wasn’t actually a flop and the reason entrepreneurs have a marketing jump on the corporates.