Since the 1980s, the public health community has recognized the importance of contributing to the Competency 4 Competency 2 development and implementation of healthy Evaluate the Influence PP public policies (Milio, 1987). [...] Their contributions to the Support and monitor field of public policy are exercised in different the implementation of ways and at varying times; they depend, in PPs particular, on the organizations employing these public health actors, their functions, their Figure 1 The four public health competencies resources and the areas of public health in which related to public policy (PP) they work. [...] Competency 2 Share knowledge or a posteriori Evaluate the and population implementation and Influence PP advocate for health to Health development influence PP formulation impacts of PPs and development Competency 3 Support and monitor the implementation of PPs Help monitor the Support the implementation of implementation of healthy PPs healthy PPs Figure 3 Public health competency framework relat [...] The National Collaborating Centre for Healthy Public Policy (NCCHPP) seeks to increase the expertise of public health actors across Canada in healthy public policy through the development, sharing and use of knowledge.