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Yeastie Boys is the creation of local brewers Stu McKinaly and Sam “The Grandmaster” Possenniskie, New Zealand’s notorious beer hunter. Between the duo, they have tasted over 2,000 different beers, in over 70 styles from over 50 countries, all in the name of research, of course.

The Yeastie Boys story began with a bang, with their flagship porter ‘Pot Kettle’ snatching two trophies at BrewNZ 2009.

Before starting Yeastie Boys, brewing was a side project for the pair while they both had day jobs in something completely un-beery.

Mike Posseniskie

Founder, and occasional grower of outrageous beards, Sam Possenniskie is the rock of Yeastie Boys. For every fire started by Stu, Sam is on the lookout to see if a moderate dousing needs to take place. Sam’s 20-plus years in the banking sector, and MBA to boot, sees him perfectly schooled to oversee the finances, logistics, and commercial wheeling and dealing. He is a safe and trusted pair of hands, has a well respected palate, and is known to surprise people with fine public speaking when Stu lets him get a word in.


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