On this episode of Coffee with a Founder, host Beck Bamberger sits down with Loren Burnett, President, CEO, and Co-Founder of Prometheus Materials. Loren shares what it takes to lead a venture-backed climate tech startup tackling one of the world's biggest pollution problems: cement. By harnessing the power of microalgae, Prometheus is creating carbon-negative building materials that could redefine the future of sustainable construction and drastically cut global CO₂ emissions.