SkyCross, a developer of advanced RF and antenna solutions, announced yesterday the appointment of 15-year wireless industry veteran Dan Paulson as vice president of sales and marketing. Paulson will oversee the company's worldwide sales and marketing activities, and will be charged with broadening the company's presence in the domestic and international wireless markets. Before joining SkyCross, he served as vice president of commercial sales and marketing at Paratek Microwave, which manufactures electronic radio frequency components and subsystems for the commercial and government markets. Paulson also served at Signal Technology Corp., Rangestar Wireless and Nokia.