Executive producers Allison Nunn and Bob Samuel have resigned from bicoastal Coppos Films to pursue their own vision of a directorial and production management company. Samuel, Nunn and Coppos Films’ owners, director Mark Coppos and exec. producer Bill Bratkowski, described the parting of ways as amicable….Miss Jones, a Santa Monica-based design/live action/visual effects venture, has been formed under the aegis of executive producers Tracy Hauser and Bronwen La Grue. Hauser was most recently exec. producer at Pavlov Productions, Culver City, while La Grue served as head of postproduction at Windmill Lane Productions, Santa Monica. Miss Jones is an autonomous, sister shop of Windmill Lane…..Graying & Balding, the Santa Monica-based production/post house headed by president Ann Kim and director Jim Gable, is phasing itself out of the editorial business to focus fully on its ongoing work in commercial, music video and long-form production….Chicago-based EURO RSCG Tatham doesn’t plan to replace Gary Gassell, its former head of broadcast production who departed the agency a few weeks ago; it has instead redistributed his duties internally….New York-based TAG Pictures has now officially signed director David Rosen, with whom the company had been working informally for the past few months….Director Nick Cassavetes, who recently signed with Creative Film Management International (CFM), New York, for commercials, is slated to embark upon his first ad assignment: an eight spot ESPN package out of Wieden & Kennedy, Portland, Ore……Editor Amy Harvey has left Chicago house Edit Sweet to join Optimus, Chicago….