Commercials director, former agency creative and independent filmmaker Ron Lazzeretti has joined FCB/Chicago in the newly created position of senior VP-creative development director. ... Production company Czar Films -- which has offices in Amsterdam, Berlin, Brussels and New York -- has entered into a cross-representation agreement with Auckland, New Zealand's The Sweet Shop. The latter's roster includes directors Vincent Ward, Kezia Barnett and Steve Ayson. Sweet Shop director Noah Marshall will continue to be exclusively repped in the U.S. by Notorious 24:7 ... Buddy Hall has been promoted to the post of managing director at Riot/Atlanta, succeeding Britt de Bie who was recently promoted to vice president for North American commercial sales at Riot parent Ascent Media. Chuck Brock, meanwhile, has been named VP of creative services. ... Designer Hoon Chong has been promoted to creative director at New York's Freestyle Collective.