Circe Bioscience
Startup
Summarized by Halo AI
Circe Bioscience is a manufacturing company that uses advanced gas fermentation to transform CO2 into carbon-negative molecules, including proteins, fats, and plastics, to help industries decarbonize and secure supply chains.
Founded & HQ
Somerville, MA, USA
Company size
1-10 employees
Funding
~$14.5M
IP status
3 grants confirmed
Activity highlights
Created the world's first chocolate made with fermentation-derived cocoa butter and set up a pilot plant in Waltham, MA to produce carbon-negative molecules.
Circe Bioscience is a startup spun out of Harvard University’s Wyss Institute, focused on developing biotechnologies that enable the conversion of greenhouse gases into valuable products to promote sustainability and decarbonization.
AI summary generated on Jun 22, 2026
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Liana Rodier
Senior Food Scientist
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