Hartree Partners is a New York-based global commodities and energy investment firm founded in 1997 that makes strategic venture and early growth equity investments through Hartree Technology Investment Partners. It backs companies across the energy technologies value chain, climate, environmental services, sustainability and carbon-related markets, and has co-led investments. The firm invests across seed, early-stage and later-stage venture rounds in the United States, United Kingdom, Luxembourg and broader international markets including Europe, Asia, the Middle East, Africa, Australia, Canada and Latin America.