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Ortiva Appoints CEO

San Diego-based Ortiva Wireless has named DeWayne A. Nelson as President and CEO. Sujit Dey, the company's existing CEO, will become CTO of the firm. Nelson was most recently President North American Telecoms for LogicaCMG. He has also served at XO Communications and Nortel. Ortiva is developing software for optimizing the quality of mobile TV< video, audio, and web content on wireless networks. The firm is backed by Artiman, Avalon Ventures, and Mission Ventures.