agricultural-biotechnology
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Rob Hranac Is Taking the Long Way Down to Scale Climate Tech
After years spent making roads legible, GPS precise and soil measurable, Rob Hranac has arrived at Loam Bio with a practical brief: turn microscopic fungi into something farmers can trust at field scale.
Colin South
Colin South is a New Zealand-born biotechnology executive and the founding leader of ArkeaBio, a Boston climate-tech company building the world's first vaccine to cut methane emissions from cattle. He grew up on a 1,000-head sheep farm, earned a PhD in bioprocess engineering from Dartmouth, and spent 25-plus years turning microbes into commercial products across the food, fuel, and energy industries. He launched ArkeaBio in 2021, ran it as CEO from January 2022, and in September 2025 stepped into the Chief Business Officer seat as the company brought in a new CEO and pushed toward field trials.