GigaCrop develops agricultural biotechnology that rewires photosynthesis to deliver two times yield gains across major crops including corn and soy. The technology combines enzyme engineering and machine learning to create new carbon-fixation enzymes that bypass the RuBisCo bottleneck. It serves farmers and agricultural producers of food, fiber, and fuel. The company was founded in 2020 by Chris Eiben, who serves as CEO and holds a PhD in bioengineering from UC Berkeley following an Activate fellowship focused on synthetic metabolism and protein engineering. GigaCrop raised $4.5 million in a pre-seed funding round in 2025 led by Playground Global. It is headquartered in Berkeley, California.