Rochester, Jack B.

John Gantz is Chief Research Officer and Senior Vice President of International Data Corporation. He manages worldwide demand-side research, global market models, Internet, ebusiness and IT forecasts, and research quality control and standards. He led its recent study, The Economic Impact of Software Piracy.

Prior to assuming his current role, he led IDC' s worldwide research and consulting in personal systems, consumer devices, workgroup and collaborative computing, and services. As one of IDC' s chief spokespersons on technolo...