Mac Lamken Kansas City MO, Diametric Brewing Brewer & Owner Died, November 2025
The Kansas City MO brewing community is feeling a deep ache this week after the heartbreaking passing of beloved brewer and business owner, Mac Lamken, who was known by many as the heart, laugh, and living engine behind Diametric Brewing Co. News traveled fast across social feeds, beer groups, and community chats, leaving friends stuck in silence, trying to process how somebody with so much warmth suddenly gone. Mac’s name was everywhere, because he didn’t just brew beer, he brewed connection, friendship, and memories inside those taproom walls.
People online describe Mac as someone who made rooms feel lighter, with a goofy grin and a joke that pulled smiles out when life was heavy. He wasn’t only a brewer, he was also a loving husband, a devoted son, and the type of friend that show’d up even when he was tired. Now that voice and that laugh is quiet, leaving a hole that can’t be filled by anything except stories, pictures, and shared glasses raised high.
The Diametric Brewing team admitted in a statement the loss feels “immeasurable,” and honestly everyone reading it could feel that weight. Staff members say nothing going to feel the same, because Mac’s creativity was the spark behind so many bold ideas, new flavors, weird experiments that somehow became favorites. Without him walking through the door, the building suddenly feel bigger, colder, and too quiet.
At this time, service details and memorial plans still being finalized, with updates expected soon as arrangements come together. The team encourages community members to share photos, small stories, and those laughing moments, because Mac always hated seeing sad faces stay sad for too long. He would probably smack the table and say, “C’mon, try this new brew, it’ll fix everything, maybe.”
Support for his family, especially his wife, is growing fast, with locals offering meals, donations, or just a shoulder. This is the type of moment where people find out how strong a community really is, and Kansas City is going all-in to lift the people Mac loved most. Folks who visited the brewery say they can still hear him behind the counter, recommending something weirdly perfect based on your last drink.
Coworkers say Mac’s passion was unmatched, sometimes working late nights, chasing the perfect taste, adjusting recipes like an artist painting on a canvas that tastes like happiness. Now, those tanks and taps will continue to pour, not as replacements, but as reminders, keeping his spirit swirling in every glass. Someone online posted, “Raise a glass for Mac tonight,” and that post is being shared like wildfire.
As more information appear, please keep the family in your heart, and resist rumors or assumptions. Grief needs gentleness, time, and quiet spaces. If you ever walked into Diametric Brewing and felt welcome, you already know Mac’s legacy. It’s in laughter, in clinking glasses, and in every stranger who became a friend over foam.
Rest easy, Mac. Kansas City pours one out for you, forever remembered, never replaced.
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