Purpose: This study examined the impact of using a collaborative process with person-centered teams and a functional assessment of problems in the workplace to design individualized goals and self-management interventions to support young adults with disabilities. These young adults had achieved employment through a customized employment process but were beginning to face challenges maintaining and advancing in their job roles. Method: A single subject, multiple baseline study was conducted with three individuals ages 22-29 years with autism and/or intellectual disability to determine the impact of the intervention on on-task behavior and job task completion. Results: The results suggest that the process can lead to meaningful change in the on-task and job completion behavior of young adults with disabilities in inclusive employment settings, although there were limitations. Conclusion: The findings, outcomes, and implications confirm and extend our understanding of the impact of person-centered teams, goal setting, functional assessment, and self-management after young adults with disabilities are employed in community-based settings.