Lyell Immunopharma, Inc. has its corporate headquarters and primary research and development laboratories situated in South San Francisco, California. This strategic location places the biopharmaceutical company right in the heart of the prominent San Francisco Bay Area biotech hub, allowing it to tap into a dense ecosystem of advanced life sciences talent, academic research partnerships, and venture capital networks. The facility serves as the operational command center for its clinical trials, technological platform development, and corporate administrative functions focused on cell-based cancer immunotherapies.