Charles Brooke is the program lead for livestock enteric methane at Spark Climate Solutions, a non-profit think tank dedicated to accelerating the progress of high-impact climate fields. He serves as a scientific advisor to the American Society for Microbiology – Role of Microbes in Climate Change Initiative, as a steering committee member for Nitrogen 2.0, and as a special advisor to the Global Methane Hub - Enteric Fermentation R&D Accelerator. Charles’ formal education and professional background include clinical and environmental microbiology and broad experience in the food and agriculture sector, including food safety microbiology, tree crops, water quality, and meat harvesting and processing.

Previously, Charles served as the coordinator for bioinformatics for the California State Water Board and lead scientist for short-lived climate pollutants within the executive office of the California Department of Food and Agriculture, where he created and managed the first U.S. state program to support enteric methane research. He is also an affiliate researcher of the Systems Microbiology and Natural Products Laboratory at the University of California, Davis, where he focuses on evaluating strategies to reduce livestock enteric methane, rumen microbiome responses, and the discovery of novel microbial compounds.