Meet our team!
Christi GranstaffExecutive Director
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.
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Darren Thomas IIDirector of Strategic Initiatives
Darren Thomas II is a community servant, proclaimer, fundraiser, and mental health advocate. Currently, Darren serves as the Director of Strategic Initiatives for Tennessee Charitable Care Network (TCCN), leading all fundraising and sustainability efforts for the organization. Darren prides himself with nearly 10 years of successful fundraising, constituent engagement, and advocacy experience in early childhood education, higher education and social services organizations. He has experience in various capacities within the philanthropic world inclusive of individual, corporate, government, and staff giving campaigns, fund development strategic planning, annual and major giving, grant writing and reporting, special event coordination and management, marketing and social media, stewardship development, and volunteer management. In his over 9 years of experience, Darren has successfully raised over $9 million for organizations through individual and corporate donors, private foundations, special events and staff giving campaigns, including a 3 year commitment of six figures by a private foundation. He has successfully solicited donors for multiple $10,000+ gifts. He has written and completed successful grant proposals and applications for funding, including multiple five figure grants of $10,000+. He has secured over $500,000 in public funding through governmental support. Darren is a graduate of Rhodes College with a Bachelor of Arts degree in Commerce and Business, minoring in Religious Studies. He is also a graduate of Asbury Theological Seminary, receiving a Master of Arts in Pastoral Counseling. |
Ginger StorrarDirector of Quality
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 CallahanDirector of Programs
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 RamirezProgram 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. |
Sara Longaberger
Team Success Specialist Sara is a Nashville Native and has a passion for helping others. From office management to team lead, she’s always ready to give a helping hand to her co workers to meet deadlines and get the job done. When she’s not working, she is spending time with her husband and six kids. |