Giant Ventures

Giant Ventures is a multi-stage, purpose-driven venture firm deploying $1+ billion this decade to support founders creating a more sustainable, equitable, and resilient planet across climate, health, and inclusive capitalism. The firm launched $250 million in new capital in 2024 including a $100 million seed fund supporting 25 early-stage companies and $150 million growth fund scaling category-leading climate technology companies. With offices in the UK, US, and Nordics, and co-founders including exited tech entrepreneur Cameron McLain and sustainability author Tommy Stadlen, Giant combines entrepreneurial rigor with systemic impact vision.