Tim O'Hare has been named svp, group account director at Arnold in New York. O'Hare will be responsible for heading up the Pfizer business and supporting new business development. He reports to Fran Kelly, president, COO, Arnold Worldwide. O'Hare was most recently svp at Foote Cone & Belding, spending the last three years developing campaigns for Amgen, Alcon and Lilly. Before FCB, he was at Rapp Collins handling brand-planning assignments for various Pfizer products. O'Hare held earlier positions at Ogilvy & Mather, McCann Relationship Marketing and Saatchi & Saatchi.