Sumeet Singh is a climate-tech operator and angel investor who backs pollution-reduction and clean mobility startups. He believes climate technology represents a primary engineering problem with massive opportunities as resource constraints intensify. Singh invests in companies solving hard physical-world problems across pollution reduction, clean mobility, renewable energy, and sustainable consumer products—sectors where engineering solutions can deliver superior performance while reducing environmental impact. He prioritizes founders with capital efficiency and operational grit, seeking companies that can achieve results with 20% of typical capital requirements. Singh favors solutions with no more than 10% premium pricing that are defensible, scalable, and profitable