As the company continues to bolster the creative ranks at its U.S. offices, Publicis in the U.S. announced today that Peter Nicholson, a group creative director at Goodby, Silverstein & Partners, has been named to the new post of executive principal and chief creative officer at Publicis in Mid-America/Chicago. Nicholson's appointment comes just weeks after news that Fallon CD Bob Moore will be joining Publicis/Seattle as executive creative director. ... New York production house September Productions, has launched a satellite division, Lunch tv, with a roster that includes E.J. Foerster, Steven Shainberg and Neil Salley. … Ava Seavey, formerly executive producer at New York's Big Picture Communications, has launched Avalanche, a new production house representing directors Tony Lee, Kathy Da Silva and Ben Dolphin. … Editor Jim Haygood, formerly of Superior Assembly, has joined Spot Welders in Venice, Calif. … Ed Campbell has joined New York's Tonic as a senior audio engineer. … Jeff Stabenau, former president of Manhattan's Crush Digitial, has formed a new company, Blink Digital, that will specialize in DVD authoring.