Breweries throw open doors to beer cicerone Brian Fitzgerald in pursuit of balance

Brewer Brian Fitzgerald uses other people's equipment to make his beer, whilst helping other brewers improve their product. (ABC Great Southern: Sophie Johnson)

You've probably heard of wine tasters and sommelier, but what about a beer cicerone?

Western Australia's Brian Fitzgerald can detect differences in the flavour ratios of hops, yeast and barley in a glass of beer by taste alone.