The Loomis Agency has added 12 employees to its Dallas staff since Jan. 1. Melanie Selah has been named director of media. She joins Loomis from Fogarty Klein Monroe's Dallas office, where she held the same position. Mark Hiel, former president of a division of American Excelsior, has been appointed chief financial officer. Other new hires are productions artists Sarah Benson and Rolando Loya, assistant account executives Anna Powe and Kellie McCallister, assistant broadcast negotiators Bari Glover and Ashley Nelson, broadcast producer Molly Brewer, broadcast negotiator Malia Cuban, junior art director Steve Moon and copywriter Johnny Elbow.