Unlike a lot of the Microsoft execs, Greenberg has actually been with the Xbox for the last seven years. As GameDaily points out, the success of Xbox Live probably rests quite strongly in that the Xbox 360 seems to have been designed around the service which Greenberg heads.
GameDaily also has a Reader's Choice award, so check it out if there's someone in the industry who you think should be nominated.
Read -- #5 Jeff Gerstmann.
Read -- #4 Aaron Greenberg.