Sanofi-aventis is the world?s 3rd leading pharmaceutical group. It is ranked 1st in the pharmaceutical industry in Europe and in the BRIC-M (Brazil, Russia, India, China and Mexico). The Group operates in more than 100 countries, with nearly 100,000 employees. It has more than 19,300 scientists working in 28 research centers in three continents to create innovative therapeutic treatments. The Group?s operational headquarters are located in Paris, France.