Commonwealth Fusion Systems (CFS) is a company collaborating with MIT to develop high-temperature superconducting (HTS) magnet technology for compact fusion power plants. They are building SPARC, the world's first commercially relevant, net energy fusion demonstration device, which will pave the way for the first fusion power plant, ARC. CFS aims to deploy fusion power plants to combat climate change and has a team of leaders in tough tech, fusion science, and manufacturing. They are supported by leading investors and are hiring.