Nissan Motor Company Ltd, usually shortened to Nissan, is a Japanese multinational automobile manufacturer headquartered in Nishi-ku, Yokohama. The company sells its cars under the Nissan, Infiniti, and Datsun brands with in-house performance tuning products labelled Nismo. Since 1999, Nissan has been part of the Renault–Nissan Alliance, a partnership between Nissan and French automaker Renault. As of 2013, Renault holds a 43.4% voting stake in Nissan, while Nissan holds a 15% non-voting stake in Renault. Carlos Ghosn serves as CEO of both companies. In February 2017 Ghosn announced he would step down as CEO of Nissan on 1 April 2017, while remaining chairman of the company.