To explore issues related to community-driven power-building efforts to improve population health, the Roundtable on Population Health Improvement of the National Academies of Sciences, Engineering, and Medicine hosted a virtual public workshop, "Community Power in Population Health Improvement", on January 28 and 29, 2021. Participants discussed the different components and dimensions of community-led action around different population health improvement topics such as education, transportation, environmental health, healthy eating, and active living, among others. This Proceedings of a Workshop summarizes the presentations and discussion of the workshop.

• Front Matter
• 1 Introduction
• 2 Daring to Lead
• 3 Community Power in the Context of Population Health
• 4 Community Power: Approaches and Models
• 5 From Vision to Action: Effective Ways to Support Grassroots Community Power Building
• 6 Community-Led Transformational Narratives
• 7 Amplifying the Empirical Base Linking Community Power and Health Equity
• Appendix A: References
• Appendix B: Biosketches of Speakers, Moderators, and Planning Committee Members
• Appendix C: Workshop Agenda
• Appendix D: Readings and Resources