Stewart Buchanan is a research VP in Gartner's IT Asset Management and Procurement group, focusing on the economics and procurement of enterprise software, information storage, hardware and related services. Mr. Buchanan has expertise in contract negotiation strategies, licensing and pricing, and terms and conditions with vendors such as Adobe, EMC, Microsoft, Symantec and VMware. Specializations include software asset management, licensing under virtualization, supply chain and demand management, and the life cycle chargeback and funding of IT.