Once one of the great icons of Japan's proud industrial tradition,Nissan had become a symbol of Japan's bleak economic economic present by 1999.Then Carlos Ghosn became Nissan's president.Two weeks after arriving at Nissan,Ghosn set up nine cross-functional teams to scrutinize Nissan's businesses dach team's members came from different depertments and were picked on the basis not of seniority but of their feror for reform.These cross=functional teams;