Mary C. Backley | Executive Director

Mary Backley is Executive Director of the Maryland Dental Action Coalition (MDAC). She brings over twenty years of nonprofit leadership experience to MDAC, with recognized expertise in strengthening organization infrastructure, financial health, and productivity.

Her passion for nonprofit work and improving the lives of others is evident through her extensive experience in senior leadership positions. One of her many roles includes Vice President for Finance and Administration at Grantmakers In Health, where she is widely credited for growing its financial base of support through the successful development and implementation of multiple initiatives. She also served as the Director of Operations and Public Relations at a national organization dedicated to serving veterans and their families. In this role, she regularly engaged with high-level representatives from various U.S. Government agencies, such as Department of State and U.S. Congress, to discuss policy issues.

Ms. Backley has earned multiple awards and recognitions from organizations for her service, leadership, and commitment, including Grantmakers In Health, National Human Rights Committee, and Department of Veterans Affairs. She holds a BA from Trinity College, Washington, D.C.

Diane Teigiser | Administrator

Diane Teigiser is the Maryland Dental Action Coalition (MDAC) Administrator. Prior to joining MDAC, she was the Senior Advisor, Communications and Member Engagement at the Global CCS Institute. She has worked for more than 20 years in senior level marketing and communications roles in for-profit, non-profit and government organizations, including the National Geographic Society, United States Mint, and Playmates Toys. Ms. Teigiser has Journalism from West Virginia University.


Robyn Elliott | Policy and Governmental Affairs Consultant

Robyn serves as MDAC’s Policy and Governmental Affairs Consultant and has over 15 years of experience in legislation, the state budget process, and health care finance. She is an expert in navigating the legislative and state budget process on complex policy and financial issues. She has particular expertise in health care reimbursement, health insurance, health occupations, and disabilities issues. Robyn has previously served as Director of Governmental Affairs at the Maryland Department of Health and Mental Hygiene and a Senior Policy Analyst with the Maryland General Assembly under the Department of Legislative Services. Her health care finance experience includes being a senior financial analyst at Johns Hopkins Hospital. She has a Master’s in Health Care Administration from the University of North Carolina – Chapel Hill.