GlaxoSmithKline is a global healthcare company formed in 2001 through the merger of Glaxo Wellcome and SmithKline Beecham. It researches, develops and markets pharmaceuticals, vaccines and consumer healthcare products. GSK operates in over 150 countries with 84 manufacturing sites worldwide. Its three core business areas are Pharmaceuticals, Vaccines, and Consumer Healthcare. GSK is focused on growing its diversified global business, delivering more products with value, and simplifying its operating model.