General Motors Dutch automaker Spyker, and emerged from a government-backed Chapter 11 reorganization. In 2010, the reorganized GM made an initial public offering that was one of the world's top five largest IPOs to date, and returned to profitability later that year. Based on global sales, General Motors is routinely among the world's largest automakers. Headquartered at the Renaissance Center in Detroit, GM employs approximately 180,000 people around the world. In 2009, General Motors sold 6.5 million cars and trucks globally; in 2010, it sold 8.39 million. , Mary Barra is the chief executive officer (CEO) and chairman of the board and
General Motors business in more than 140 countries. General Motors is divided into four business segments: "GM North America" (GMNA), "GM South America" (GMSA), "GM International Operations" (GMIO), and "GM Financial". The company also operates a mobility division called Maven, which operates car-sharing services in the United States, and is studying alternatives to individual vehicle ownership. GM Defense is General Motors' military defense division, catering for the needs of the military for advanced technology and propulsion systems for military vehicles. General Motors led global vehicle sales for 77 consecutive years from 1931 through 2007, longer than any other automaker, and in 2012