Marcus Kemp, currently a managing director and creative director at Euro RSCG/N.Y., is headed to BBDO/Atlanta as vice chairman and chief creative officer. He will officially join the agency on Jan. 3. ... Bicoastal production company Believe Media has signed up New York's Brown Bag Films as a satellite partner. Co-founded by "Whassup" director Charles Stone III, Brown Bag's roster includes Stone -- who recently returned to spots with a campaign for Brand Jordan -- and Maurice Marable, a former creative director for on-air promos at HBO. ... The New York-based directing team
-- a.k.a. Jonathan Milott and Cary Murnion -- has signed with CZAR.US for commercials and music video representation. The pair's short films have recently appeared as part of Nike's "Art of Speed" project and Diesel's "Dreams" campaign. ... Santa Monica's Nonfiction Spots has expanded its editorial capabilities by signing editor and director Paul Crowder. Among other projects, Crowder cut the features Dogtown and Z Boys
and Riding Giants
, both of which were directed by Nonfiction roster mate Stacy Peralta. ... Gray Hirshfield has been promoted to head of production at New York effects house Quiet Man.