Nielsen brings more than 20 years of leadership experience in enterprise software and application development to VMware. Prior to Borland, Nielsen served as senior vice president, marketing and global sales support for Oracle Corporation. Prior to Oracle, Nielsen was the chief marketing officer and executive vice president of engineering at BEA Systems, where he had overall responsibility for BEA’s worldwide marketing strategy and operations, as well as all research and development operations. Nielsen joined BEA after the acquisition of his private company, Crossgain Inc., where he served as its chief executive officer. Nielsen also spent twelve years with Microsoft Corporation, in various roles, including general manager of database and developer tools, vice president of developer tools, and, vice president of Microsoft’s platform group.