Memory Clinic Team & Advisory Board | Texas Tech University Health Sciences Center
TTUHSC students walking through Lubbock campus courtyard.

Garrison Institute on Aging

Memory Clinic Team

Jonathan Singer headshot

Jonathan Singer, Ph.D.

Neuropsychologist
GIA Memory Clinic Director

John Bertelson headshot

John Bertelson, M.D., FAAN

Neurologist
Co-Medical Director

Alayna Jump headshot

Alayna Jump, B.S.

Clinic Manager

Volker Neugebauer headshot

Volker Neugebauer, M.D., Ph.D.

GIA Executive Director

Amber Braden headshot

Amber Braden, FNP-C

Nurse Practitioner, TTUHSC

Krystle Walker headshot

Krystle Walker, MSN, APRN, FNP-BC

Nurse Practitioner, TTUHSC

LaJuana Dunlap headshot

LaJuana Dunlap, MBA, BS, RN, RT(R)

GUIDE Program Manager

Gayle Ayers headshot

Gayle Ayers, D.O.

Geriatric Psychiatrist
Co-Medical Director

Carolyn Perry headshot

Carolyn Perry, M.S., CCC-SLP

Speech Language
Pathologist

Veronica Molinar-Lopez headshot

Veronica Molinar-Lopez, B.S.

Director of Outreach

Ruben Gonzales headshot

Ruben Gonzales, B.A.

Business Manager

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Clarissa Acevedo, B.A.

Senior Patient Service Specialist

Brityn Kirby headshot

Brityn Kirby

Patient Service Specialist

Memory Clinic Community Advisory Board

The TTUHSC Garrison Institute on Aging Memory Clinic (GIAMC) has established two dedicated advisory boards to help guide and strengthen the services we provide to individuals and families affected by dementia. 

Our Community Advisory Board (CAB) plays a vital role as both advocate and ally for the patients we serve. The CAB’s primary mission is to understand the patient and caregiver experience within the memory clinic, offering valuable insights into what we are doing well, and where we can improve. Their feedback helps us ensure that our services remain person centered, effective, and responsive to the real needs of our community.

The current members of the GIAMC CAB are Debbie Callander, Challa Godedeke, Dr. Isabel Molina, Dr. Janet Tornelli-Mitchell, Mark Troth, and Dr. Jenea Stone. Each member brings invaluable experience and perspective, whether as a medical or healthcare professional, a caregiver for someone living with dementia, or as someone directly impacted by dementia themselves. Their diverse expertise and commitment help us deliver the highest standard of care and continuously improve the quality of life for our patients and their families.