IPG's McCann Worldgroup in San Francisco has appointed Paul Caiozzo svp, cd, effective June 1. Caiozzo joins the agency from MDC's Crispin Porter + Bogusky in Boulder, Colo., where he had been an acd. In his new post, Caiozzo will report to S.F. CCO Rob Bagot and work across various accounts, as well as help in new-business efforts. In nearly three years at Crispin, Caiozzo worked on high-profile efforts for Burger King ("Whopper Freakout," "Whopper Virgins" and "Flame") as well as Volkswagen, the Alliance for Climate Protection and Jawbone. Prior to Crispin, he worked at Taxi's New York office as a senior art director where he helped launch Amp'd Mobile.