Understand, learn and know the technical terms of knowledge areas as diverse as the health or the economy. Ability to work in multidisciplinary teams and have recourse to experts whenever needed. Ability to confront their own limitations and be able to through a critical / reflective thinking overcome these limitations or clarify them to whom right. Knowledge of strategic, tactical and operational principles of programs for "social change" . Place the communication strategy concepts of public interest as a recent specificity of Public Relations / Corporate Communications under CSR policies for companies or as communication strategies in institutions public and third sector.