This research study was undertaken with a view to fulfilling two goals. The first is to take stock of the strengths and weaknesses of the SST Navigator Service with a view to sharing knowledge about this novel service more broadly among administrative tribunals at the federal level, and in the administrative justice systems of the provinces and territories where it may be beneficially adopted. In our view, the Navigator Service may also be beneficial in other jurisdictions beyond Canada. Second, the study aims to consider how the Navigator Service is doing with respect to marginalized communities, in particular. The SST serves users who are often at the intersections of being people with disabilities and people who live with low income. What we know from statistics is that many people who live with low income are also women, immigrants and / or visible minorities. The SST Navigator Service therefore presents an opportunity to consider how individuals from these and other marginalized communities are experiencing the system and how the service may be helpfully improved.