The Center for Employment Opportunities (CEO) is a national nonprofit organization focused on the workforce reentry process of individuals returning home from prison. CEO operates in 28 cities and has achieved over 34,000 total placements into full-time employment. Serving a large number of participants from marginalized communities, CEO recently established a Diversity, Equity, and Inclusion (DEI) program. CEO enlisted a team to research supplier diversity and the impact of employer adoption of DEI principles on participants' sense of belonging in the workplace. The team conducted a literature review on workplace DEI and the reentry process, surveyed and interviewed staff and participants, and analyzed employer diversity metrics, participant satisfaction surveys, and public data on Minority- and Women-owned Business Enterprises (MWBEs). The team’s recommendations include the development of a DEI training program, guidelines to prevent discrimination and enhance support for participants, and a supplier diversity framework for the recruitment of MWBEs and employers that embrace DEI principles and best practices.