Propeller is an early-stage venture fund investing in climate-tech startups positioned at the ocean-climate nexus. The firm backs founders building in areas like carbon removal, marine technologies, and industrial decarbonization, with a focus on sectors such as energy, shipping, aquaculture, and organics. Based around ocean-led climate solutions, Propeller operates with a global view and supports companies from pre-seed to Series A, currently managing a fund of around $118M. The team emphasizes operating experience and hands-on help to accelerate meaningful, lasting impact in coastal and blue