Robert J. Bach (born December 31, 1961), commonly known as Robbie Bach, is an American businessman. He was the President of Entertainment & Devices Division at Microsoft. He led the division that was responsible for the Xbox, Xbox 360, Zune, Games for Windows, Windows Phone and the Microsoft TV platform. After 22 years at Microsoft, Bach announced his retirement from Microsoft effective in the fall of 2010. Bach has spoken to corporate, academic and civic groups across the country and in 2015 completed his first book, Xbox Revisited: A Game Plan for Corporate and Civic Renewal.[1][2]