Chris Sacca
VCCo-Founder & Managing Partner, Lowercarbon Capital
Climate tech VC, early Twitter and Uber backer
Background
Chris Sacca co-founded Lowercarbon Capital in 2020 with his wife Crystal Sacca, focusing exclusively on companies that reduce carbon emissions and address climate change. Before Lowercarbon, he ran Lowercase Capital, which made legendary early investments in Twitter, Uber, Instagram, and Stripe, earning him the #2 spot on Forbes' Midas List in 2017. He previously held leadership roles at Google including Head of Special Initiatives. Sacca retired from venture investing in 2017 before returning to back climate solutions in 2020. Lowercarbon manages over $2 billion in assets across more than 200 portfolio companies. In 2025, the firm was raising a second dedicated fusion fund, building on its first $250 million fusion vehicle from 2022.
Investment Thesis
Back kickass companies making money by slashing carbon emissions, sucking up carbon, and buying time while the world decarbonizes.
Investment Focus
Stages
Sectors
Based in: Truckee, California (North America)
Notable Investments
Commonwealth Fusion Systems
Nuclear fusion energy
Watershed
Enterprise carbon management platform
Crusoe
Sustainable compute infrastructure; Lowercarbon unicorn
Charm Industrial
Carbon removal via bio-oil injection
Twelve
CO2-to-chemicals transformation
Solugen
Enzyme-based chemical production; Lowercarbon unicorn
Antora Energy
Thermal batteries for industrial decarbonization
Mill
Home food-waste recycling appliance