NEW YORK: Jeff Mangum has been appointed to the role of managing director and media trainer at Hill and Knowlton's New York office Media group. Mangum joins from The Journal News where he was a senior writer.
NEW YORK: Jeff Mangum has been appointed to the role of managing director and media trainer at Hill and Knowlton's New York office Media group. Mangum joins from The Journal News where he was a senior writer.
