Manuel Riemer is a professor of community psychology and sustainability science at Wilfrid Laurier University. He is the director of the Viessmann Centre for Engagement and Research in Sustainability (VERiS) and the Community, Environment, and Justice Research Group (CEJRG). Dr. Riemer applies community psychology principles, theories, and tools to address issues related to sustainability, including global climate change mitigation and resiliency, with a special interest in engagement and promoting a culture of sustainability in organizations and communities. In addition, he focuses on issues of sustainability justice, especially in the context of municipal climate action planning. He is the lead author for the book Community Psychology: In pursuit of liberation and wellbeing (3rd edition) recently published by Palgrave-MacMillan. He is a fellow of the Society for Community Research and Action, Division 27 of the American Psychological Association and his contributions to the field of community psychology were recognized by the Early Researcher Award from this association.