Member Companies

Sublime Systems

Greentown Boston Member

Sublime Systems Logo

Founded 2020



Leah Ellis

Co-founder + CEO

Prof. Yet-Ming Chiang

Chief Scientist

About the Company

Sublime Systems is developing technology to decarbonize cement-making, which is currently responsible for eight percent of global CO2 emissions.

About the Solution

Sublime Systems’ technology reduces a cement kiln’s emissions by 50 percent without changing the properties or chemistry of the cement.