Brand Marketing Liebenthal Is Promoted By Adweek Staff|August 1, 2007Share By Adweek Staff|August 1, 2007Share The Oliver Russell integrated marketing agency has elevated John Liebenthal from senior writer to associate director. Liebenthal worked at the Boise, Idaho, shop previously, with a stint as an associate creative director at The Kern Organization, Los Angeles, in between. He also worked at Publicis in Boise early in his career. Oliver Russell also has an office in Portland, Ore. Adweek Adweek