22. Dan Sibille, Polycom
There was a lot of jersey-changing among major videoconferencing vendors and in November LifeSize's channel chief did a presto-changeo to Polycom. Dan Sibille, Polycom's vice president of North America, covers all aspects of partner development with Polycom channel partners, including VARs and systems integrators. He was until November director of Americas channels for LifeSize, where he was instrumental in revamping that scrappy infrastructure vendor's channel program.