Founded in 1987 Gilead Sciences is a biopharmaceutical company focused on developing innovative treatments for life threatening illnesses. Their areas of research include HIV/AIDs, Liver Diseases, Hematology, Oncology, Cardiovascular and Respiratory disease. Gilead Sciences is based in California, USA and their product portfolio consists of well-known treatments like Atripla, Sovaldi, Zydelig, Viread and many more.