He’s worked his way up from rough beginnings to mastermind some of Berlin’s most fashionable bars. Mixology magazine’s Helmut Adam meets the anti-hero of Berlin’s bar scene, Mario Grünenfelder

Research suggests that Jägermeister chiller tap machines increase sales three-fold.

Its troubled history has only served to make Berlin even more exciting, argues Mixology magazine’s editor Helmut Adam, as he takes Imbibe on a trawl of some of the city’s best bars