You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract P&G's Howell to Replace Murray as Saatchi X CEO Top Media Exec Led Shopper-Marketing Efforts, Headed Company's Walmart Team By Jack Neff, Published on October 06, 2010 0 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.