Roche is a global pioneer in pharmaceuticals and diagnostics, focused on advancing science to improve people's lives. The combined strength of pharmaceuticals and diagnostics under one roof has made Roche a leader in personalized healthcare – a strategy that aims to tailor the right treatment to each patient as best as possible. Roche is the world's largest biotechnology company, with highly differentiated medicines in oncology, immunology, infectious diseases, ophthalmology, and central nervous system diseases. Roche is also a world leader in in vitro diagnostics and tissue-based cancer diagnostics, as well as a leader in diabetes management.