John Barker, former EVP at Grey Worldwide and president of Zeitgeist Marketing, and Brian Diecks, former CD and owner of The Diecks Group, have announced the launch of DZP Marketing Communications, a boutique agency with offices in New York and Los Angeles. From the company's New York headquarters, Barker and Diecks will serve as DZP's president and executive creative director, respectively. ... Creatives Lori Korchek and Fred Stesney, both formerly of Amster Yard, have launched KLSD Radio, a New York shop dedicated to radio advertising creative. ... Santa Monica production company Tate USA has signed Italian director Federico Brugia for U.S. spot representation. The signing also establishes a reciprocal partnership between Tate and Milan-based production outfit The Family. ... Joe Gallo, most recently a strategic creative consultant for the Alberto Culver Company, has joined Draft/Chicago as senior VP-group creative director. ... Assistant editor Bryan Wetzel has been promoted to editor at New York's PS 260.