Minneapolis-based agency Carmichael Lynch appointed former Organic VP of digital communications strategy James Kim to the newly created position of group director of digital strategy. ... Santa Monica, CA editorial firm Crush added Richard Cooperman to its roster. ... Commercial director Kate Riedl signed with Compulsive Pictures for exclusive North American representation after relocating from Sydney to New York. ... International production firm Crossroads added the Icelandic directing team of Samuel & Gunnar to its commercial division. ... Denver-based independent agency Thomas Taber & Drazen named former Campbell-Ewald copywriter Rick Rosenberg its new executive creative director. ... New York-based design/VFX house Manic enlisted former JWT broadcast producer Melissa Warhaftig as executive producer/director of operations. ... Comedy director Pondu Krek joined West coast production company The Joneses for exclusive representation in the United States. ... Santa Monica commercial production house Villains signed director Ann McKallagat of PI for East Coast representation. ... New York VFX studio Headlight enlisted John Clausing as animation director. ... PostWorks, Los Angeles appointed digital vets Jim Houston as senior VP, imaging and Jeff Quinn as VP, engineering.