Bicoastal Gartner has named Chicago-based independent rep Renee Case to cover the Midwest….Jolie Miller, formerly of Miller/Nadler, New York, has joined bicoastal MacGuffin Films, to cover the East Coast. Miller rounds out a sales force that includes Helen Blatt, who also handles the East Coast; Midwest rep Jay Anderson; and Grace Silverstein on the West Coast….Santa Monica-based commercial production house Fuse has secured Maureen Melvin of Maureen Melvin and Co., Los Angeles, and Stuart Sternbach of New York-based Pangea to serve as West Coast and East Coast reps, respectively. Elizabeth Mang continues to handle Fuse in the Midwest….Anne Bakoulis has joined Postworks, New York, as director of sales. She will handle national and international sales for the postproduction facility.…DP Robin Miller has signed with Sherry Rousso Associates, New York, for spot representation in the U.S….DP Ivan Bird has joined Tenth House/ The Geller Agency, Los Angeles, for exclusive representation in commercials, music videos and features….Production designer Jonathan Wellerstein is available exclusively through Lyons•Sheldon•Prosnit Agency, Los Angeles…. Santa Monica-based broadcast design and production studio Belief has hired Erin Davis as director of business development. Her focus is to pursue new business in the U.S. and Latin American markets….