Global advertising agency network Lowe and Partners has announced the promotions of Marie-Lise Campeau and Jeff Dack to co-lead Lowe Roche, the global network’s Toronto operation. Campeau has been named co-president, chief operating officer, responsible for agency operations, account management and production excellence, whereas Dack has been named co-president, chief strategy officer, responsible for client strategy, creative excellence and business development. Campeau and Dack will fill their respective roles to replace Monica Ruffo, who departed Lowe Roche in February.