Rita Johnson-Mills is an independent director serving on the boards of Nyxoah S.A. (NYXH) and Owens and Minor (OMI). She also serves on the private company boards of Quest Analytics LLC and Ellipsis Health. Johnson-Mills also serves as president of the southern region for CINQCARE, a physician-driven ambulatory health care provider focusing primarily on Black and Brown communities.

Johnson-Mills is a former C-suite business-to-consumer healthcare executive and business unit CEO for UnitedHealthcare and Centene Corp. Her background and experience include a combined 30 years of federal, state, and private industry experience of which 15 years she was directly accountable for profitability of health care organizations. Johnson-Mills spent almost 11 years in progressive leadership positions with UnitedHealthcare, including CEO of UnitedHealthcare Community Plan of Tennessee, a health plan serving more than 500,000 government-sponsored health care consumers and over $2.7 billion in annual revenue.

Johnson-Mills previously served as CEO of Managed Health Services and Buckeye Community Health Plan, both wholly owned subsidiaries of Centene Corp., and led the operational turnaround of each health plan. Johnson-Mills possesses a strong regulatory background, having spent 10 years in progressively expansive leadership roles with the State of Ohio, last of which was chief of the Bureau of Medical Assistance and almost two years with the Centers for Medicare & Medicaid Services, where she served as director of Medicaid managed care for the country.

Johnson-Mills’ numerous honors and accolades include being a 2024 YWCA Academy for Women of Achievement honoree, a 2021 Savoy magazine “Most Influential Black Corporate Director,” a 2019 NACD Governance Fellow, a Women Inc. magazine 2019 “Most Influential Corporate Director” and a 2018 “Director to Watch,” and a 2017 Nashville Business Journal Most Admired CEO award honoree. Johnson-Mills has been featured in numerous publications and journals and is a sought-after public speaker.