The Engine

Engine, founded by MIT in 2016, is a venture firm designed to support "Tough Tech" companies—those that tackle complex, science-based challenges in areas such as climate change, human health, and advanced systems. The firm provides more than just capital, offering infrastructure, labs, equipment, and a powerful network to help startups transition from groundbreaking research to commercial success. Engine focuses on companies that operate at the intersection of science and engineering, aiming to create transformative solutions for some of the world’s most pressing problems. The firm’s portfolio features notable companies like Commonwealth Fusion Systems, which is advancing fusion energy as a sustainable power source, and Boston Metal, a leader in decarbonizing steel production. These investments reflect Engine's commitment to technologies that promise to have a lasting impact on society and the environment. Led by Katie Rae, Engine's strategy centers on bridging the gap between research and commercialization by providing technical founders with the resources and networks they need to scale effectively. Engine's approach combines patient capital with operational support, helping entrepreneurs navigate the challenges of building in highly regulated and complex industries. Based in Cambridge, Massachusetts, Engine leverages its proximity to top-tier academic and research institutions to stay at the forefront of innovation. Through its integrated support system, Engine enables Tough Tech startups to accelerate their growth, with a long-term focus on reshaping industries and addressing critical global challenges..