Tennessee Memory Disorders Clinic · Our Team
The people behind
your care.
TMDF’s team provides expert care for memory disorders, including Alzheimer’s and other dementias, serving thousands of patients across East Tennessee and the Southeast. TMDF works with outside partners to make community awareness and clinical trials accessible to patients and caregivers.
Clinical providers
Who sees patients
at the clinic.
A geriatric medicine physician and two family nurse practitioners provide care at TMDF.

Dr. Monica Crane, MD
Medical Director
- FellowshipGeriatric medicine, University of Pennsylvania
- Medical degreeJefferson Medical College
- FacultyClinical Assistant Professor, University of Tennessee Graduate School of Medicine
- UndergraduateYale University
Dr. Monica Crane is a fellowship-trained geriatric medicine physician and a nationally recognized expert in multidisciplinary dementia care. She earned her undergraduate degree from Yale University and her medical degree from Jefferson Medical College. She completed her residency training and a fellowship in geriatric medicine at the University of Pennsylvania.
Dr. Crane serves as Medical Director of the Tennessee Memory Disorders Foundation and Clinic and is a Clinical Assistant Professor at the University of Tennessee Graduate School of Medicine. She previously served as Associate Director of the Cole Neuroscience Clinic at the University of Tennessee Medical Center, where she was also Director of Clinical Research. Her work has included leadership of numerous studies in Alzheimer’s disease and related dementias.

Amber Tayman, FNP-BC, MPH
Clinical Provider
Amber Tayman, BSN, MSN, MPH is a family nurse practitioner from Morristown, Tennessee.
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She earned both her Bachelor of Science in Nursing and Master of Science in Nursing from the University of Tennessee. She began her nurse practitioner career in primary care for older adults and has worked with Dr. Monica Crane at Genesis Neuroscience Clinic since its opening in April 2017. She also holds a Master of Public Health degree and applies expertise in health education and behavior change in both clinical care and statewide work with the Tennessee Dementia Action Collaborative.

Sarah White, FNP-C
Clinical Provider
Sarah White, BSN, MSN is a family nurse practitioner from Oak Ridge, Tennessee.
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She earned a Bachelor of Science in Biology from Mary Washington College in 2004 and completed both her Bachelor of Science in Nursing and Master of Science in Nursing at Virginia Commonwealth University, graduating summa cum laude in 2007. Sarah has clinical experience in family medicine, home health, and urgent care. She joined Dr. Crane’s team in October 2017 and provides comprehensive care to older adults with complex medical needs.
Leadership & coordination
Keeping care
running smoothly.
Our executive director, clinical coordinators, and office manager.

Celia Gruzalski, MA
Executive Director
Celia Gruzalski earned a B.S. in Psychology at the University of Tennessee at Chattanooga, and a Master’s degree in Counseling Psychology and Counselor Education at the University of Colorado.
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She has spent her career working in the nonprofit sector in East TN directing and building adult day programs, and previously with Jewish Family Services of Denver, CO. She promotes dignity and advocacy of those living with dementia by empowering care partners through support and education, as well as training and coordinating community teams to strengthen the services and support available to this population. She serves on the Knox County Office on Aging Senior Information and Referral Board of Directors, Senior Companions Council, Alzheimer’s TN Virtual Dementia team, Purple Cities Alliance, and as a Caregiver Support facilitator.

Eduardo Chacon, MPH, CHES
Senior Clinical Coordinator
Eduardo “Ed” Chacon graduated from the University of Tennessee with a Master of Public Health in Epidemiology and a minor in Statistics.
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He earned a Bachelor of Science in Biological Sciences with a concentration in Microbiology in May 2022. He joined TMDF as a Clinical Intern in 2020 and became a Clinical Assistant in early 2022. He completed his Applied Practice Experience (APEx) with the Knox County Health Department (KCHD) Emergency Preparedness & Epidemiology Division where he developed EMERION, an emergency preparedness and healthcare resilience framework. Ed plans to use his training for a dual MD/PhD program in immunology and infectious disease, with future interests including the Epidemic Intelligence Service (EIS) and the U.S. Public Health Service Commissioned Corps. He is also a recognized Certified Health Education Specialist (CHES) by the National Commission for Health Education Credentialing (NCHEC).

Sayler M. Reynolds
Supporting Clinical Coordinator
Sayler Reynolds is a senior at the University of Tennessee, Knoxville, majoring in Biomedical Nutrition.
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She joined the clinic as a Clinical Intern in October 2025. She quickly developed a strong understanding of patient care and in a rare move, she was recruited as the clinic’s Supporting Clinical Coordinator.
Sayler plans to attend medical school following graduation and hopes to pursue a career as a physician. Her background in biomedical nutrition, combined with her clinical experience, has strengthened her interest in medicine and provided her with opportunities to work directly with patients and families.
Outside of the clinic, Sayler is actively involved in service and campus organizations. She is a member of Sigma Kappa, through which she volunteers with Alzheimer’s Tennessee and participates in efforts supporting individuals and families affected by Alzheimer’s disease and related dementias. She is also involved with END ALZ at the University of Tennessee, Knoxville, further extending her commitment to Alzheimer’s advocacy, education, and community engagement.

Kelley Gray, BS
Office Manager
Kelley Gray began her career in theatre, earning an Associate of Arts from Young Harris College before completing her Bachelor of Science in Business and Marketing from Auburn University at Montgomery.
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She has built a versatile career spanning media, marketing communications, broadcast management, and the performing arts. Her work in advertising has included developing multi-channel campaigns for major entertainment and retail brands, with strategies encompassing video, audio, and social media across hundreds of markets in the U.S., Canada, and Mexico. She most recently served as Office Manager at WVLT-TV, the official broadcast partner of the Tennessee Volunteers. Since relocating to Tennessee, she actively volunteers with numerous community theatres by supporting their fundraising efforts and contributes her time to local pet adoption centers as well. Having witnessed the impact of cognitive disorders and neurodegenerative dementia through her own family, the mission of dementia-inclusive care is one she holds close to her heart.
Medical Assistants & Nursing Staff

Amber Hinshaw
Lead Medical Assistant

Rory Roberts
Medical Assistant

Thu Ha
Medical Assistant
Clinical Trials & Research Team
TMDF research team

Ira Katigbak
Clinical Research Coordinator
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Ruhaan Shah
Clinical Research Coordinator
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Omar Almashharawi
Clinical Trials Intern
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Kevin Aimua
Clinical Trials Intern
Center for Biomedical Research
Day Vance
Clinical Research Coordinator

Isabella Principe
Clinical Research Coordinator
Clinical Assistants & Scheduling Assistants

Zuha Khan
Clinical Assistant

Madelyn Bowman
Clinical Assistant

Maya Ibrahim
Clinical Assistant · Clinical Research

Kelen Lu
Clinical Assistant

Laith Burbar
Clinical Assistant

Ozge Yuksel
Clinical Assistant

Gracie Lin
Scheduling Assistant

Arshaan Radman
Scheduling Assistant

Zainab Allami
Scheduling Assistant

Nirvikta Osti
Public Health Intern

Adreanna Spain
Marketing Intern
Next steps
Questions before
your visit?
Visit information, forms, and billing details are on the patient page. Our office can help with anything else.
Students interested in working with the clinic can learn about our internship program