Mike Summerhays has been named customer service manager in the Sandy office of Zions First National Bank. He has been with the company for 18 months and has been a financial service representative. Paul A. Messervy has been promoted to vice president and money desk manager at First Security Bank. He is a Brigham Young University graduate and joined the firm in 1989. Diana Eash has been appointed production manager over the underwriting and closing of residential mortgage loans at Mountain States Mortgage Center. Mike Shepherd has joined Medicode as a Western regional sales manager for the Medallion Solutions Group. He is a Utah State University and University of Utah graduate. Harold Christensen, who has more than 35 years experience in structural engineering designs, has joined the firm of R2H Engineering Inc. Communication Systems-West has appointed Anthony Ellison as director of commercial marketing. He is a University of South Florida graduate.