Meet our team!

Christi Granstaff

Executive Director
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​As Executive Director, Christi brings a deep passion for the mission and members of TCCN. With more than 20 years of experience in health care policy, leadership, and executive consulting on the state and national levels, Christi’s blend of strategic thinking and complex problem-solving skills support TCCN in pursuit of a bold vision for the future, design of practical strategies in support of achieving goals, and collaboration with members and partners to meet the health care needs of our neighbors all across Tennessee. Christi graduated with her Master of Science in Social Work from the University of Tennessee and earned her Bachelor of Science in Social Work from Austin Peay State University in Clarksville, TN. Her previous work experience includes direct service mental health, improving health care policy for community health centers and the patients they serve, legislative aide to a Member of Congress, Deputy Director for a Primary Care Association, grant writing, and executive consulting where she focused on building and strengthening client relationships, supporting organizations that are improving the lives of those with limited resources, and partnering with clients to increase the impact they have on their communities. 

Mary Hunt Moore

Director of Strategic Initiatives
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Mary is a native of Tennessee and holds a bachelor's degree in Sociology from Middle Tennessee State University and a Master of Public Financial Management from the University of Kentucky. During her undergraduate education, she first became aware of the social determinants of health and their impact on health equity. Through working with the uninsured and underserved as a Medicaid case manager for the State after graduation, she saw their effects firsthand and the gaps in health policy that exacerbated them. Since then, Mary has worked on the rollout of the Affordable Care Act with Family & Children's Service, for the Tennessee Justice Center as Casework Supervisor, and, most recently, as Grants Manager for the Tennessee Primary Care Association. She admires the work of TCCN members and is eager to assist in strengthening the compassionate healthcare safety net in Tennessee.

Ginger Storrar

Director of Quality
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Ginger lives in the scenic Greater Chattanooga area surrounded by a family of fur babies including a Maine Coon cat, a Standard Poodle and a Goldendoodle. Ginger devoted the last 33 years of her life to the recovery of persons living with chronic mental illness and comorbid occurring disorders in the only accredited Clubhouse Model of Psychosocial Rehabilitation in Tennessee. In its collegiate environment, Ginger served in varying capacities to combat the stigma associated with mental illness and to improve the health and overall well-being of its Members. In Ginger’s most recent role as Chief Operations Officer she supported the agency’s programs, providing quality management and compliance, research and evaluation, oversaw Medicaid billing, human resources, technology, and health and safety. Ginger holds a degree in Allied Health Business Administration and is certified in Psychosocial Rehabilitation and Supported Employment. Ginger has also spent numerous years in the study of Family Systems Theory. Ginger is excited to bring with her the same passion and commitment to TCCN and to work with TCCN’s staff and membership in increasing equitable access to quality healthcare care in Tennessee. 

Mattie Callahan

Director of Programs
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Mattie is a Nashville native and has over 20 years of experience working in nonprofit organizations with underserved populations. She earned her Bachelor of Science degree in Psychology and Family Studies from Union University and her Master of Public Administration degree from Cumberland University. Her diverse work experience includes case management, volunteer coordination, federal and state grant administration, and program development. Most recently she helped launch the “SMILE ON 65+” program, a statewide initiative designed to help older Tennesseans access affordable oral health care. Through this experience she observed the challenges charitable care organizations face, as well as their resilience and the critical role they play in creating healthier communities. She is thrilled to continue supporting the work of these organizations as part of the TCCN team. In her down time, Mattie enjoys spending time with her rescue dogs, travelling, and photography.   

Diamond Ramirez

Program Manager

​Diamond is a Memphis native and graduated from Bates College in 2015 with a Bachelor of Arts in Spanish Language and Literature. She is currently working towards her Master’s in Public Health with a concentration in Biostatistics at the University of Memphis.  Diamond has worked as a certified ACA navigator and Healthcare Access Specialist with Family and Children’s Service.  She also has experience as a research assistant for the University of Tennessee Health Science Center on a cancer-survivor research study.  She has experience working with nonprofits, community organizations, and Spanish-speaking populations. 

René Dillard

Communications Manager
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​René Dillard most recently served as Manager, Early Literacy at United Way of Greater Nashville where she facilitated collective impact work for the Blueprint for Early Childhood Success. Ms. Dillard currently holds the following: MPP, Education Policy (Vanderbilt); and B.A. Anthropology (University of Chicago). Her interests are in education research, policy development, access to early childhood education opportunities, teacher development, multi-generational educational opportunities, and empowering parents as partners in schools. She is a proud former public-school teacher. René is excited to be working with TCCN because she believes health outcomes for parents and families are vital to youth success.