Community & State Perspectives Blog Meet our blog authors
Arethusa Stevens Kirk is a National Senior Medical Director for UnitedHealthcare Community & State where she serves as the VP of Population Health & Clinical Strategy supporting each of the health plans nationally to achieve key clinical and business objectives. Areas of focus in her portfolio and for her team include population health strategy, health equity and quality advancement, clinical model and program development, virtual health, medical behavioral health integration and clinical innovation.
With over 17 years of healthcare and community leadership experience, Dr Kirk has served as the Vice President of Medical Affairs at a Federally Qualified Health Center in Baltimore City and as a National Health Service Corps Scholar. She continues to practice as a primary care physician and as an Associate Physician of the Neurology and Development Inpatient Unit at Kennedy Krieger Institute. Dr Kirk is board certified in Pediatrics and completed her residency at the Johns Hopkins Children’s Hospital.
She holds an honors degree in Visual Arts and Semiotics from Brown University and her Medical Doctorate from George Washington School of Medicine. Prior to her career in medicine, she served with the Missionaries of Charity in India, taught at an open school in the Republic of South Africa, and lived with a regional village midwife as a U.S. Peace Corps Health Education Volunteer in The Gambia, West Africa. Finally, her parallel chief commitment is to shepherd the development and potential of her two boys.

Michelle Martin
Former Senior Policy Director, Complex Care and LTSS, UnitedHealthcare Community & State
Michelle Martin is the Senior Policy Director of Complex Care and LTSS at UnitedHealthcare Community & State. Michelle brings a wealth of knowledge and experience from both the payer and provider sides of LTSS, having worked in complex care policy at America’s Health Insurance Plans as well as another insurer. She was also the policy director at the National Council on Medicaid Home Care where she represented home care providers on a variety of issues on and off Capitol Hill. Prior to the Medicaid Council, Ms. Martin worked as a lobbyist during the development of the Affordable Care Act representing direct care workers and funding for Maternal, Infant, and Early Childhood Home Visiting Programs. Michelle lives in Falls Church, Virginia with her husband, Joe and their four rescue dogs. She is a former caregiver, native Michigander, and lawyer.

Andy McMahon
Former Vice President, Impact Investments, UHG Office of Health Equity
Andy McMahon is the Vice President of Community Investment & Innovation at UnitedHealthcare Community & State. UnitedHealthcare Community & State proudly serves nearly 6.4 million Medicaid members in 32 states, plus Washington D.C. UnitedHealthcare is a division of UnitedHealth Group, a health and well-being company with a mission to help people live healthier lives and help make the health system work better for everyone. In his current role, Andy focuses on integrating and leveraging affordable housing and human services to provide better care at lower costs for populations with complex health needs. Andy works with UnitedHealthcare’s Medicaid plans and the myConnections™ team, and his portfolio includes policy and program work in affordable and supportive housing, criminal justice, child welfare, and social impact investment. Prior to joining UnitedHealthcare, Andy worked at the Corporation for Supportive Housing (CSH) for 15 years, most recently as the Vice President for Policy and External Affairs. At CSH, Andy led an array of national, state, and local efforts to align systems and integrate resources to create supportive housing opportunities for vulnerable populations. Andy also led CSH's work to develop Pay for Success and impact investing models for supportive housing. Prior to CSH, Andy held positions in both state and local government, as a lobbyist for state housing and community development agencies in Washington, D.C., and helped found and was the first executive director of a non-profit housing organization in Minnesota.

Nicole Truhe
Senior Director of Federal Policy, Child Welfare and Juvenile Justice
As the Senior Director of Federal Policy, Child Welfare and Juvenile Justice, Nicole leads the development of policy positioning and associated advocacy and thought leadership strategies related to both traditional and complex Medicaid covered populations. This includes TANF and CHIP populations (with focus on maternal and child health), Medicaid Expansion, Child Welfare, Criminal Justice Involved, and I/DD populations. Prior to joining UnitedHealthcare, Nicole served as the Government Affairs Director for America Forward where she led policy strategy and advocacy efforts related to Pay for Success/evidence-based policy, workforce development, career and technical education, higher education, and social innovation. Nicole also worked for over a decade at a national child welfare and children’s mental health non-profit where she advocated for policy and funding changes in the child welfare, juvenile justice, Medicaid/children’s mental health, and innovative financing policy areas. Nicole has a Bachelor’s of Arts in Political Science from Rhodes College in Memphis, TN and a Master’s in Public Administration/Public Policy from the University of Memphis.

Dr. Alexander Billioux
Chief Medical Officer, Government Programs and Senior Vice President, Population Health & Social Care, UnitedHealthcare
Dr. Alex Billioux is the chief medical officer (CMO), Government Programs, and senior vice president for population health and social care at UnitedHealthcare. As CMO, he is responsible for the individual care, population health, and provider partnership strategies for UnitedHealthcare’s Medicare and Medicaid plans. He also leads enterprise-wide strategy and capabilities to address individual health-related social needs and community social drivers of health. He is an internal medicine doctor focused on supporting whole-person health by delivering coordinated physical, behavioral, and social care and advancing cross-sector population health strategies and sharing data to foster coordinated, learning health systems. Dr. Billioux was formerly the Assistant Secretary for the Office of Public Health and a senior advisor and division director at the Center for Medicare and Medicaid Innovation.
Dr. Billioux received his M.D. from Johns Hopkins University and his D.Phil. in clinical medicine from the University of Oxford. He holds a B.A. from the Louisiana Scholars’ College at Northwestern State University in Louisiana.
Guest bloggers

Dr. Debra Andree
President/Chief Executive Officer, Community Health Centers, Inc.

Blair Harrison
National Policy Director of Community & Social Health, UnitedHealthcare Community & State
As the national policy director of community & social health at UnitedHealthcare Community & State, Blair’s policy and advocacy work focuses on health equity, housing and homelessness, food access, interpersonal violence, social connection, justice involvement, economic stability and workforce development, behavioral health, and social impact investing.
Prior to joining UnitedHealthcare, Blair was the deputy director of a local health department and served previously as the senior advisor on health, homelessness and housing for the Minnesota Department of Health and Minnesota Interagency Council on Homelessness. Blair is an infectious disease epidemiologist by training and has worked on trauma-effective systems change and advancing health and racial equity for more than 15 years.

Donna Meltzer
CEO of the National Association of Councils on Developmental Disabilities

Samantha O'Leary
Vice President, Growth Performance & Execution Community & State
Tom Tracy is a National Senior Director on Clinical Strategy & Population Health Team of UnitedHealthcare’s Community and State division. Tom’s areas of focus include the development of strategies to deepen the integration of medical-behavioral interventions and refinement of clinical models to best meet our members’ individual needs. His approach draws on his extensive experience as a clinical social worker, resulting in strategies that are person-centered and address health disparities. Tom’s entire career has been spent in serving the Medicaid population. He currently holds a license in clinical social (LCSW) and, prior to his tenure with UnitedHealthcare was the Chief Strategy Officer for a NJ-based community mental health center. His clinical experience spans multiple populations ranging from children, families and adults with mental health concerns. He has further developed and managed community-based programs, including supportive housing, Assertive Community Treatment, juvenile justice programs, as well as outpatient and in-home therapy-based programs. Tom holds a Masters in Social Work from the University of Pennsylvania and a Masters in Management from Thomas Edison State University. He is also a PROSCI Certified Change Management Practitioner. Tom, and his husband and their two daughters live in NJ, just outside of Philadelphia.

C. Grace Whiting
President and CEO, National Alliance for Caregiving and Member of the UnitedHealthcare National Advisory Board
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