The Healthy Aging Partnerships in Prevention Initiative (HAPPI) is a multisectoral collaboration that aims to increase use of recommended cancer screening and other clinical preventive services (CPS) among underserved African American and Latino adults aged 50 and older in South Los Angeles. HAPPI uses the principles of the evidence-based model Sickness Prevention Achieved through Regional Collaboration to increase capacity for the delivery of breast, cervical, and colorectal cancer screening, as well as influenza and pneumococcal immunizations, and cholesterol screening. This article describes HAPPI’s collaborative efforts to enhance local capacity by training personnel from community health centers (CHCs) and community-based organizations (CBOs), implementing a small grants program, and forming a community advisory council. HAPPI demonstrates that existing resources in the region can be successfully linked and leveraged to increase awareness and receipt of CPS. Five CHCs expanded quality improvement efforts and eight CBOs reached 2,730 older African Americans and Latinos through locally tailored educational programs that encouraged community–clinic linkages. A community council assumed leadership roles to ensure HAPPI sustainability. The lessons learned from these collective efforts hold promise for increasing awareness and fostering the use of CPS by older adults in underserved communities.

Little is known about promotoras' professional experiences engaging in Latinx health promotion. In this promotora-led community-based participatory study, we purposively recruited and interviewed 30 Spanish-speaking promotoras who worked in Los Angeles County and who had at least 5 years of experience as promotoras. Using a constructivist grounded theory approach, findings revealed promotoras self-identified as health professionals who offered unique, insider perspectives. Challenges arose as employers viewed promotoras as volunteer lay health workers, while promotoras desired opportunities for professional growth. Motivation to continue working as promotoras stemmed from their commitment to Latinx communities. We provide recommendations to strengthen community-based capacity for advancing Latinx health.