Robert Hess has been promoted to account executive at Bonneville Communications. Formerly an assistant account executive, he will handle public service communications for The Church of Jesus Christ of Latter-day Saints. Donald Kuhla was appointed to the board of directors of Natural Products Sciences Inc. He is president of Hybridon Inc., a Worcester, Mass., biotechnology company. Cara Cahoon has joined Bremer Public Relations as an account coordinator. An honors graduate of Westminster College, she previously held a public relations/human resources internship at Amoco Oil. Ric Clements was promoted to vice president of Valley Bank's East Murray office. He has worked for the bank 13 years, most recently as manager of the Midvalley office. John Casey has joined Real Estate Mortgage Services Inc. as a loan officer. He has six years' experience originating loans. David Black was named a shareholder in the Salt Lake City law firm of Van Cott, Bagley, Cornwall & McCarthy. He is a member of the firm's corporate and securities section.