BACKGROUND: Disparities in lung cancer outcomes persist among Black Americans, necessitating targeted interventions to address screening inequities. This paper reports the development and refinement of Witness Project METHODS: Utilizing a user-centered design and guided by the original Witness Project RESULTS: Pilot testing conducted in New York and New Jersey demonstrated high acceptability, satisfaction, and increased knowledge among participants. The community-based approach, culturally sensitive messaging, and partnerships with faith-based organizations were critical to the refinements of Witness Project CONCLUSIONS: The community-based, culturally tailored approach, coupled with the involvement of trusted community leaders, has the potential to reduce disparities in lung cancer outcomes. Further research is needed to assess the long-term impact and cost-effectiveness of Witness Project