GraphOn Corp. announced the promotion of Christoph Berlin to chief operating officer. Mr. Berlin, who previously served as GraphOn's vice president of product management and marketing, will report to GraphOn President and CEO Eldad Eilam.

Mr. Berlin recently orchestrated GraphOn's successful rollout of GO-Global 4.5, a major new release of the company's popular remote access solution for Windows applications. GO-Global 4.5 provides a wide range of new and enhanced features, an integrated GO-Global Gateway with enterprise-class functionality, and streamlined installation and deployment facilities.