Director Carlton Chase has left New York-headquartered Shooting Gallery Productions and is set to join bicoastal Morton Jankel Zander….Vienna-based co-directing team rad-ish, comprised of Moritz Friedel and Christophe Chruidmak, is about to join bicoastal Go Film….Director Noam Murro and executive producer Shawn Lacy Tessaro plan to start their own production company, Biscuit filmworks. New digs for the shop are currently under construction in Hollywood and should be finished towards the end of the year….Director Rent Sidon, formerly of Los Angeles-headquartered A Band Apart Commercials, has signed with bicoastal Shelter Films….Directors Sanji and Jayson Moyer have come aboard bicoastal Believe Media….The husband-and-wife directing team of Nick Brooks and Laura Kelly, a.k.a. Honey, has joined Los Angeles-based Squeak Pictures for spot representation….Animation house Olive Jar Studios, Boston and Los Angeles, has secured director Bruce Alcock and his Vancouver, B.C.-based studio, Global Mechanic, for exclusive U.S. representation. Alcock earlier served as creative director/co-founder of now defunct animation firm Tricky Pictures….Actor/director Blair Underwood has signed with Hollywood-based Blacktop Films for exclusive representation as a spot helmer….Director Brad Steward has joined Circle Productions, Vancouver, B.C, and Toronto….James Zolliecoffer has come aboard Saatchi & Saatchi LA, Torrance, Calif., as a multimedia specialist. Previously, he worked as a freelance editor and Henry artist in Southern California….Executive producer/head of production Adam Tronick has exited Los Angeles-based Event Horizon/Cronenweth Films…. New York-based editorial house Final Cut has added editor Carlos Arias….Editorial house Billy Williams Enterprises, New York, is changing its name to moondog edit….