Guardant Health | 265,732 followers on LinkedIn. Conquering Cancer With Data | Guardant Health is a leading precision medicine company focused on guarding wellness and giving every person more time free from cancer. Founded in 2012, we're transforming patient care by providing critical insights into what drives disease through its advanced blood and tissue tests, real-world data and AI analytics. Guardant tests help improve outcomes across all stages of care, including screening to find cancer early, monitoring for recurrence in early-stage cancer, and treatment selection for patients with advanced cancer.