174. From Beer to Billions: Kevin Wenger Scales Microbes at Lallemand
About this episode
Kevin Wegner discusses his extensive experience in industrial fermentation and the advancements in microbial products at Lallemand.
Kevin Wegner, VP of R&D at Lallemand, joins Karl and Erum to share three decades of wisdom from the frontlines of industrial fermentation. From his gateway into the industry through homebrewing beer to leading global teams that deliver high-value microbial products at billion-gallon scale, Kevin reveals why a 1% improvement in ethanol yield translates to massive economic value, how his team engineered yeast strains that produce both enzymes and ethanol simultaneously, and why scaling from large to even larger bioreactors requires solving genetic and environmental puzzles simultaneously. The conversation explores Lallemand's century-long evolution from baker's yeast to cutting-edge synthetic biology, the untapped potential of xylose and complex sugars for expanding biomanufacturing feedstocks, and Kevin's vision for anaerobic fermentation, digital twins of cells, and biodegradable materials with perfectly tuned lifecycles. Whether you're fascinated by the microbial diversity hiding in America's public lands, curious about why sour beer yeast is a game-changer for Brooklyn craft brewers, or wondering how fermentation could revolutionize water treatment and replace single-use…
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