Founded in 1849, Pfizer is the world's premier biopharmaceutical company taking new approaches to better health. We discover, develop, and manufacture safe & effective quality products to treat and help prevent disease. We also partner with helathcare providers, governments and local communities around the world to expand access to our medicines and to provide better healthcare and health system support. At. Pfizer, colleagues in more then 90 countries work every day to help people stay healthier longer.