Abstract: This research investigates the collaborative advantage within the implementation of the Millennials Posyandu program by the Health Office of Pangkajene and Island Regency. Rooted in principles of public administration, the study addresses the increasing complexity of public demands, requiring ongoing reforms. Collaborative processes are examined as essential tools for solving complex problems, optimizing resources, and ensuring legitimacy in public organizations. The unique approach of the Millennials Posyandu program, tailored for the millennial generation, is explored. Utilizing collaborative advantage theory—encompassing Managing Goals, Managing Trust, Managing Culture, and Managing Leadership—the study provides insights into the successful dynamics of this innovative public health initiative. The research contributes to understanding how collaborative advantage theory effectively describes and explains the implementation of the Millennial Posyandu Program in Pangkajene and Islands Regency, shedding light on its potential implications for future collaborative health initiatives

Health Services, Millennials Posyandu, Collaborative Advantage, Public Policy