Meningioma Expert Witnesses

Los Angeles, California

Neurological Surgery, Spine Surgery & Spine Care - Neuro-oncology, Brain tumors, Brain hemorrhage, Spine Fusion, Spinal stenosis, Meningioma, Glioma, Brain metastasis, Disc herniation, Cauda equina syndrome, Traumatic brain injury, Pituitary tumors, Skull base tumors, Spine tumors, Cord compression, Stroke, Hydrocephalus, Neurosurgery, Spine Surgery

Christopher A. Sarkiss, MD, FACS, FAANS, FCNS is a board-certified, fellowship-trained neurosurgeon with a subspecialty focus in neurosurgical oncology and spine. Dr. Sarkiss is the Founder and Chairman of the Global Brain & Spine Institute. He specializes in the treatment of complex, minimally-invasive brain and spine surgery. Dr. Sarkiss graduated summa cum laude from UCLA with a Bachelor of Science in Neuroscience and a minor in Political Science. Thereafter, he attended the David Geffen School of Medicine at UCLA for medical school graduating with honors. He then joined the Department of Neurosurgery at the Icahn School of Medicine at Mount Sinai in New York City to complete his neurosurgical residency. Afterwards, Dr. Sarkiss completed a surgical neuro-oncology fellowship at Jackson Memorial Hospital and the University of Miami Health System. Additionally, he served as a clinical research fellow where his research efforts focused on neuro-oncology, spine, socioeconomics, machin...

Sacramento, California

Oncology, Neurology - Glioblastoma, Glioma, Primary Brain Tumors, Meningioma, Brain Cancer, Oligodendroglioma, Low Grade Glioma, Astrocytoma

Dr. Orwa Aboud is one of only 337 UCNS board-certified neuro-oncologists in the United States. He specializes in the diagnosis and management of primary brain tumors, particularly gliomas, with expertise spanning metabolomics, molecular markers, and biomarker-based diagnostics. With over 40 peer-reviewed publications, Dr. Aboud’s research integrates advanced technologies such as machine learning and imaging to improve treatment strategies and patient outcomes. He has led multiple clinical trials and engages in translational research to bring innovative therapies from bench to bedside. Dr. Aboud envisions transforming the field through precision medicine and collaborative research, bridging the gap between scientific discovery and clinical care. As an Assistant Professor at UC Davis, Dr. Aboud brings a data-driven, patient-centered approach to neuro-oncology, making him a sought-after clinician, researcher, and expert in the field.

EL PASO, Texas

Neurological Surgery, Spine Surgery & Spine Care - Brain Trauma, Brain Aneurysm, Spine Trauma, Spine Tumor, Spinal Surgery, Meningioma, Brain Surgery, Intracerebral Hemorrhage, Cauda Equina Syndrome, Brain Tumor, Pituitary Tumor, Acoustic Neuroma, Trigeminal Neuralgia, Whiplash

Award winning physician with 30 years experience in the practice of Neurological surgery, certified by the American Board of Neurological Surgery. Former Chairman and Professor of Neurosurgery at the University of Arkansas for Medical Sciences. Currently the Director of Neurosurgery at University Medical Center of El Paso (Texas) and Nexus Neuroscience (HealthGrades Top 100 in Spinal Surgery 2025-2026). Extensive experience in review and testimony as an expert witness in Neurosurgery on behalf of plaintiff and defense. Experienced with quality assurance and peer-review in hospital and clinic settings.