Ron Sundberg has been promoted to director of sales and marketing in Wyle Laboratories' electronics marketing group, responsible for marketing and field sales activities for the company's line of products compatible with Digital Equipment Corp. products. He joined Wyle in 1979 and was most recently division manager in the group's Sacramento division. Replacing him in Sacramento is George Robillard, who had been with Fairchild Semiconductor Group as western area manager and sales manager since 1985. Before that, Robillard spent seven years with Texas Instruments in sales and marketing positions. Wyle's electronics marketing group has headquarters in Irvine.