For Paul Sellew, founder and CEO of Little Leaf Farms, innovation isn't about chasing the next tech play. It's about something far more grounded: building a better system. While some in the indoor farming space have prioritized rapid growth, Sellew has steered Little Leaf toward a more disciplined model, proving the key to a sustainable food future lies in perfecting the fundamentals of how we grow, harvest and distribute every little leaf.
Discipline is critical in the indoor ag space, which has grappled with challenges from high energy costs to difficulty scaling to pests to intense market competition. All the while, Little Leaf Farms has quietly built a revolution to become North America's top producer of indoor-grown lettuce.
The Devens, Mass.-based greenhouse grower seems to have cracked the code on scaling sustainability — earning a spot on Fast Company's 2026 World's Most Innovative Companies list and capturing over 50% of the indoor leafy green market in the process.
"We believe that innovation isn't about chasing technology for its own sake," Sellew says. "Rather, it's about building a better system for growing and delivering fresh food. From the beginning, we've focused on fulfilling the original promise of controlled environment agriculture: fresher, more sustainable greens produced with consistency and strong unit economics.
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