About Banner Sun Health Research Institute  

Our Leadership


Cynthia Guinn, COO

Cynthia GuinnCynthia Guinn, MA, is the chief operating officer for Banner Research. In her role, she oversees, coordinates and facilitates the operation of all scientific, clinical and administrative programs within research. She is responsible for the organization’s efficiency, responsiveness, scientific and clinical productivity, and compliance with applicable standards for the conduct of research.

Guinn joined Banner Research in 2011. She previously served as executive director of Oregon Research Institute for seventeen years where she oversaw a research program that was funded by more than $20 million per year in competitive research grants and included hundreds of employees. During her tenure, she assembled an outstanding management team, created highly innovative and technologically advanced business solutions, developed the operational procedures needed to ensure the program’s financial and regulatory accountability, and led an organization that regularly made the Top 5 Businesses and Nonprofits to Work for in Oregon List, making No 1 in 2011.

Thomas Beach

Thomas Beach

Thomas Beach is Head and Senior Scientist at the Civin Laboratory for Neuropathology, and Director of the Brain and Body Donation Program.

Dr. Beach has degrees in Biology (BS), Psychiatry (MSc), Neuroscience (PhD) and Medicine (MD) from the University of British Columbia (UBC) in Vancouver, Canada.

He was trained in anatomic pathology and neuropathology at St. Louis University School of Medicine and at UBC. Prior to moving to Banner Sun Health Research Institute in 1997, he was Assistant Professor in the Department of Pathology and Laboratory Medicine at UBC and staff Neuropathologist at Vancouver Hospital and Health Sciences Center and British Columbia’s Children’s Hospital.

Dr. Beach has been the recipient of numerous grants and awards from agencies including the National Institutes of Health, Alzheimer’s Association, the Arizona Biomedical Research Commission and the Michael J. Fox Foundation for Parkinson’s Research. He is the Principal Investigator of the National Brain and Tissue Resource for Parkinson's Disease and Related Disorders  funded by the National Institute for Neurological Disorders and Stroke.

He is the Neuropathology Core Leader for Arizona’s National Institute on Aging Alzheimer’s Disease Core Center.  He is Co-Principal Investigator, with Dr. Charles Adler of the Arizona Mayo Clinic, of the Arizona Parkinson’s Disease Consortium

He has served as a grants reviewer for the National Institutes of Health, the Veterans Administration, the Michael J Fox Foundation and the Alzheimer’s Association.

Dr. Beach’s research is focused elucidating early pathologic stages and biomarkers of Parkinson’s disease and Alzheimer’s disease, through studies of normal human brain aging and animal models. He is an author on more than 190 publications listed by the National Library of Medicine.

Eric Reiman, MD

Eric RiemanDr. Eric Reiman is chief executive officer of Banner Research, executive director of Banner Alzheimer's Institute, clinical director of the Neurogenomics Division at the Translational Genomics Research Institute (TGen), professor of psychiatry at the University of Arizona, and director of the Arizona Alzheimer's Consortium.

His research interests include brain imaging, genomics and their application to the study of normal and abnormal human behaviors; the early detection, tracking and study of Alzheimer's disease; and the accelerated evaluation of presymptomatic Alzheimer's disease treatments.

Dr. Reiman is internationally recognized for his contributions to the fields of brain imaging, the behavioral neurosciences and the presymptomatic study of Alzheimer's disease. He is the author of more than 200 research publications and serves as principal investigator for research grants from the National Institutes of Health and other leading funders.

Dr. Reiman and his colleagues have developed the international Alzheimer's Prevention Initiative to find effective treatments to prevent Alzheimer's disease as quickly as possible.

Ed Zamrini, MD
Ed Zamrini

Dr. Ed Zamrini, a neurologist, joined Banner Research as director of the memory center at Banner Sun Health Research Institute in July 2015. Dr. Zamrini joins the team from University of Utah, where he served as a professor of neurology.

He has 25 years of expertise in the fields of neurology and the study of medicine, while also teaching students at various universities and participating in review boards. He earned a doctor of medicine from American University of Beirut, located in Beirut, Lebanon.



David Shprecher, DO, MS
David Shprecher photo

Dr. David Shprecher is a neurologist and serves as Banner's Movement Disorders Program Director, overseeing patient care and clinical research studies. He specializes in diagnosis, treatment and research for movement disorders including Parkinson disease, tics and Tourette syndrome, Huntington disease, dystonia, tardive dyskinesia, tremor, progressive supranuclear palsy, and multiple system atrophy. 

Dr. Shprecher completed a doctor of osteopathic medicine degree at Lake Erie College of Osteopathic Medicine and a Neurology residency at the University of Utah. He completed his movement disorders/experimental therapeutics fellowship and Masters in Clinical Investigation at the University of Rochester.

Previously, Dr. Shprecher mentored numerous students and trainees while serving as Movement Disorders Division Chief at the University of Utah. Inspired by personal experience as an individual with Tourette syndrome, he has dedicated his career to improving treatment options and quality of life for movement disorder patients. His work with the Brain and Body Donation Program is aimed at improving early diagnosis of Parkinson's and related diseases. The ultimate goal: to develop a treatment that can prevent these illnesses entirely 


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clinical trials


Banner Sun Health Research Institute
10515 W. Santa Fe Drive
Sun City, AZ 85351
(623) 832-6500
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