The original device was the first video game console offered by an American company after the Atari Jaguar stopped sales in 1996. It reached over 24 million units sold by May 2006. Microsoft's second console, the Xbox 360, was released in 2005 and has sold 86 million units as of October 2021. The third console, the Xbox One, was released in November 2013 and has sold 51 million units. The fourth line of Xbox consoles, the Xbox Series X and Series S, were released in November 2020. The head of Xbox is Phil Spencer, who succeeded former head Marc Whitten in late March 2014.