Continuous reforms to health systems in contemporary societies have generated increased interest in professional development programs (Koo & Miner, 2010). In Quebec (Canada), the 2004 health system reform brought new challenges for local public health organizations and professionals whose practice was more often than not centered on clinical individual care. In essence, professionals were now encouraged to include health promotion interventions in their practices (Breton, Lévesque, Pineault, Lamothe, & Denis, 2008). Concretely, this meant moving toward a broader range of interventions, including, for example, actions aimed at community development and policy environments. There was also a renewed emphasis on community partnerships. To help professionals contend with this new challenge, the Regional Public Health Directorate of Montreal (PHDM) designed a professional development pilot program, the Health Promotion Laboratory (Lab), a strategy to develop and improve health promotion practices and 697067P HPXXX10.