Roger Cox is a research vice president in Gartner Research, where he is part of the Global Storage Research unit. His focus encompasses disk storage systems, technology and market views. During his career with Gartner, Mr. Cox has worked with all the leading and many of the emerging storage companies, assisting them to develop winning product and go-to-market strategies, as well as compelling product positioning and messaging strategies. In addition to handling hundreds of inquiries annually from end users and investment and vendor clients, he is responsible for developing credible vendor market share and forecast reports for the external controller-based disk storage market. Mr. Cox is the lead author for many Gartner-branded research reports, including the Magic Quadrant for midrange disk arrays; SWOT reports for EMC, NetApp and IBM storage; Storage Cool Vendors report and Key Issues for Storage report. He also serves as the Research Agenda manager for Gartner's Global Storage Research community.