Ownership unknownMicrobrewery
Karben4 Brewing
Madison, USA · Est. 2012
01
From the record
What we have established
Type: Craft brewery. Ownership as recorded: PRIVATE_PARTIAL. Current brewery verified. Ryan and Zak Koga are co-owners, but sources explicitly note Karben4 has a larger ownership group. [Wisconsin Pass 12]
03
The People
Behind the beer
Ryan Koga
Co-owner of Karben4; purchased Ale Asylum brands/recipes with Zak Koga in 2023.
Zak Koga
Co-owner of Karben4; purchased Ale Asylum brands/recipes with Ryan Koga in 2023.
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