Faced with the rapid changes in the world of work, the HR function must position itself at a strategic level, alongside the business lines. For Isabelle Faber, director of human resources at the Post Luxembourg Group, it is no longer simply a question of keeping pace with change, but of anticipating it so as to ensure that organisations have the human resources to match their ambitions. To meet employees’ aspirations whilst strengthening collective commitment, new balances need to be found.