MEET OUR PRINCIPAL INVESTIGATORS (RESEARCHERS)
Our principal investigators focus their efforts on carrying out studies to develop and verify knowledge relating to the causes, diagnosis, treatment, and prevention of disease.
Specialty: Cardiology, Electrophysiology
Dr. Huizar’s research interests include cardiac pacing and cardiac arrhythmias, specifically consequences of premature ventricular contractions (PVCs) and arrhythmia-induced cardiomyopathy. Learn more
Specialty: Psychiatry, Neuroscience
As a neuroscience researcher for 30+ years, he has been a lead researcher for the NIDILRR TBI Model Systems program since 1992 and involved with military and Veterans polytrauma (TBI, mental health disorders, pain) research since 2000. Learn more
Specialty: Research Psychology
Dr. McDonald’s research aims to better understand mental health, resilience, and adjustment after acquired physical disability. Learn more
Stéphanie B. Mayer, MD, MHSc
Specialty: Endocrinology, Diabetes and Metabolism
Dr. Mayer's clinical research is focused on outcomes of weight loss and weight regain in Veterans. Learn more
Specialty: Spinal Cord Injury and Disorders
The major goals and objectives of Dr. Gorgey's current research studies include developing and testing the safety and feasibility of a home-based upper limb rehabilitation program for individuals with tetraplegia...Learn More
Jessica Lehosit, DO
Specialty: Neurology
Dr. Lehosit's research interests include Parkinson’s disease, Essential tremor, and Ataxia.
Specialty: Anatomy, Neurobiology
Dr. Dupree's lab studies multiple sclerosis, Alzheimer's disease and aging. Learn more
Specialty: Anesthesiology, Pain Management, and Addition Medicine
Dr. Lester leads several research studies on the use of implantable peripheral nerve stimulation programs for acute, chronic and cancer pain.
Specialty: Biomedicine
Research in Dr. Ren's laboratory mainly deals with chemical structure characterization, metabolic pathways, and roles of oxysterols...Learn More
Specialty: Psychiatry, Pharmacology, Toxicology, and Neuroscience
Dr. Bjork's studies cognitive orientation in Veterans who are entering recovery, deployment experiences of Veterans, and the mental health and quality of life of those living with chronic pain. Learn more
Neil Lewis, MD
Specialty: Cardiology
Dr. Lewis' current projects consists of research on a wearable monitoring device in reducing readmission rates following hospitalization for acute decompensated heart failure. He also studies probenecid in patients with HFrEF.
Paul B. Perrin, PhD
Specialty: Data Science and Health Disparities
Dr. Perrin's research area of “social justice in disability and health” encompasses three facets: (a) cultural, familial, and international approaches to disability rehabilitation and adjustment, particularly in medically underserved minority and Veteran populations with neurological condition...
Specialty: Gastroenterology
Dr. Fuchs’ research spans non-alcoholic fatty liver disease and its complications, and non-invasive biomarkers and diagnostic tools in gastrointestinal and chronic liver diseases. Learn more
Research Career Scientist, AGAF, FAASLD
Specialty: Pharmacology, Microbiology, Immunology
The major research interest in Dr. Zhou’s laboratory is related to bile acid- and sphingolipid-mediated signaling in liver diseases, including non-alcoholic fatty liver disease (NAFLD), non-alcoholic steatohepatitis (NASH), alcoholic liver disease (ALD), drug-induced liver disease, and cholestatic liver diseases.
Specialty: Gastroenterology, Hepatology. and Nutrition
Dr. Bajaj conducts clinical, translational, and basic research into gut-brain axis, hepatic encephalopathy, cirrhosis and acute on chronic liver failure. Learn more
Sarah Krzastek, MD
Specialty: Urology
Dr. Krzastek's research interests are in male infertility and erectile dysfunction.
William M. Pandak, Jr., M.D., FAASLD, AGAF, FACP, FAHA
Specialty: Gastroenterology
Dr. Pandak Has greater than 35 years of research experience as a physician-scientist. Awarded a Fellowship acknowledgement in the American College of Physicians, American Association for the Study of Liver Diseases, American Gastroenterology Association, and the American Heart Association. His research covers Basic and Clinical Science. Learn More
Specialty: obesity/type 2 diabetes and complications in heart and liver
Dr. Cowart’s research seeks to understand the mechanisms by which obesity leads to disease including diabetes, fatty liver disease, and heart failure.