Office of the Administrator

Dr. Chalmers is a board-certified pediatric dentist, oral health policy expert, and public health advocate who brings more than 20 years of clinical, research, industry, and regulatory experience to CMS in her role as Chief Dental Officer in the Office of the Administrator. Previously, Dr. Chalmers served as a Dental Officer at the US Food and Drug Administration. 

Dr. Chalmers has devoted her career to transforming scientific and health care data and information into actionable insights to address equity, improve care, and better inform policy and funding. Dr. Chalmers completed her Doctor of Dental Surgery degree at the Faculty of Dental Medicine of the Medical University of Sofia, a residency in pediatric dentistry at the University of Maryland School of Dentistry, and a Ph.D. in oral microbiology from the Graduate Partnerships Program of the University of Maryland School of Dentistry and the National Institute for Dental and Craniofacial Research at the National Institutes of Health, Post-doctoral Fellowship at the Forsyth Institute, and Clinical Research Fellowship at the National Institute for Dental and Craniofacial Research, National Institutes of Health.  

Dr. Chalmers holds a Master’s degree in Clinical Research from Duke Medical University and a Certificate in Drug Development and Regulatory Science from the University of California San Francisco School of Pharmacy.  Her research has translated into action, improving oral care and advocating for the role health policy can play across the lifespan—particularly when it embraces dental well-being as a facet of care for the whole person.

Ariele Faber is the first Chief Experience Officer (CXO) for the Centers for Medicare and Medicaid Services (CMS). She leads the design of consistent, connected, and sustainable care experiences delivered across the country with dignity. Ariele oversees the full scope of the CMS Experience portfolio, translating what the public and the agency’s workforce need, feel, and value into opportunities to co-create best-in-class products, services, programs, and policies.

Prior to this role, Ariele served as a Presidential Innovation Fellow at the General Services Administration (GSA) where she led federal-wide initiatives focused on Human-Centered IT Modernization, Digital Health, and Building a Future of Work through a Culture of Care. Earlier on, Ariele worked across startups, small businesses, non-profits, and corporations specializing in experience design for healthcare and life sciences. 

Ariele holds a Bachelor’s degree from Middlebury College, where she studied Neuroscience and Architecture; a Master of Science in Healthcare & Design from Imperial College London; and a certificate in Climate Change and Health from Yale School of Public Health.

Andrea Fletcher is the Chief Digital Strategy Officer (CDSO) at the Centers for Medicare and Medicaid Services (CMS). She is the first person to hold this role, and also serves as the Director of the Digital Service at CMS, an agency team of the United States Digital Service. At CMS she is responsible for digital transformation and modernization efforts, promoting interoperability and public access to health data, and recruiting the next generation of technical talent into federal service. Prior to taking on this new role, she served in the United States Digital Service as a product manager.

Before joining the federal government, Andrea spent most of her career traveling around the world. She has worked on digital health systems across more than 20 countries, primarily in sub-Saharan Africa. She has built mobile apps for healthcare workers, integrated biometric IDs into electronic health record systems, designed national-level interoperability layers, and deployed new disease surveillance systems making contributions to pandemic responses in Ebola, HIV, and COVID-19.