Gilead Sciences is a biopharmaceutical company based in Foster City, California. Founded in 1987, it focuses on developing innovative medicines for various diseases, particularly in the fields of HIV, viral hepatitis, and oncology. Gilead is known for its groundbreaking therapies that have significantly improved the quality of life for patients worldwide. The company has a strong commitment to research and development, investing heavily in new treatments and technologies. Gilead's portfolio includes well-known drugs like Truvada and Harvoni, which have played a crucial role in managing HIV and hepatitis C. Through its efforts, Gilead aims to address unmet medical needs and enhance global health.