Steven L. Walton has been named director of economic regulation for PacifiCorp Electric Operations, responsible for the company's work with state and federal regulatory agencies with regard to revenue requirements. Jim Bird has been named district sales manager, Business Markets Group, for AT&T. Bird recently transferred to Salt Lake City from Phoenix. Bob Cerkovnik has joined First Interstate Bank of Utah as Credit Review Department manager. He was formerly senior credit analyst with First Bank System in Montana. LeGrande F. Wright has been named credit manager for Norbest Inc. and will direct the development and implementation of credit management policies and oversee accounts receivable. Muffy Mead has joined Evans/Salt Lake City, advertising and public relations, as a vice president. She was formerly associate creative director at Dahlin Smith White Advertising. Dave Lundberg has been promoted to merchant coordinator in the bank card department of Valley Bank & Trust Co. He will secure and service merchant VISA and MasterCard accounts.