National audienceConfronted with new legal requirements concerning professional equality, the integration of seniors and persons with disabilities, business managers adopt various attitudes, ranging from a minimalist reactive attitude to a proactive approach consisting in a true professional integration policy. Based on 31 semi-structured interviews conducted with HR and diversity project managers, this study shows how a successful proactive management of diversity is linked to the importance given by management to a managerial approach to work rather than a categorical or psychological approach to diversity.Confrontées à des nouvelles obligations légales en matière d'égalité professionnelle mais aussi en matière d'intégration des séniors e...