Jeffrey Morgenthaler is a Portland bartender, author and industry authority.

Liana Oster is an Aussie expat who works as a head bartender in New York - at the best bar in the world, Dante NYC.

Maxim Schulte and Marcus Motteram are on the show to discuss how their bars have been affected by COVID-19.

Steve Roennfeldt is Steve the Bartender - a YouTube channel that has amassed almost 300,000 subscribers.

Brad Thomas Parsons - aka Mr Bitters - is an award-winning cocktail and spirits writer.

William Edwards is the founder of Archie Rose Distilling - the first successful Sydney-based distillery for over 100 years.

Mark Livings is a co-founder of Lyre's Spirit Co, a range of non-alcoholic spirits that is re-defining the category.

Trish Brew, formerly of the Gin Palace, is the first Australian ambassador for Fever-Tree.