Chris and Crystal Sacca are angel investors and venture capital allocators associated with Lowercase Capital and Lowercarbon Capital. They back seed and early-stage companies, with a current climate focus on startups reducing CO2 emissions and removing carbon from the atmosphere, alongside broader technology investing across internet, fintech, payments, media, consumer and energy-related sectors. Their investment track record includes Twitter, Uber, Instagram, Twilio, Stripe, Kickstarter and Blue Bottle, and they have also backed venture funds.