Engine Ventures

Engine Ventures is a Tough Tech investor led by Katie Rae, formerly First Round Capital, backing breakthrough technology companies that solve global challenges. Focus areas are energy (fusion, storage, grid), semiconductors and optical interconnects, materials science, biotech and medical devices, automotive safety and critical mineral supply chains. Cheque sizes run $2-10m at seed and Series A. Portfolio includes Commonwealth Fusion Systems, Form Energy, Machina Labs, Varda Space, Twelve, Celestial AI and Blue Energy.