Functional & Movement Disorder Surgical Program Team Members

Amir H. Faraji, MD, PhD
Director, Functional & Movement Disorder Surgical Program 
Dr. Amir H. Faraji specializes in neuromodulation for movement disorders and epilepsy, brain and spinal tumors, spinal cord stimulation, laser ablation, radiosurgery, and peripheral nerve surgery.

Damiano G. Barone, MD PhD, FRCS

Functional Neurosurgery, Neurosurgery

Dr. Damiano G. Barone specializes in complex epilepsy and functional neurosurgery, including deep brain stimulation and MR-guided focused ultrasound for movement disorders, denervation for cervical dystonia, laser ablation, and surgical management of drug-resistant neuropathic pain, trigeminal neuralgia, and spasticity. He also focuses on advanced reconstructions for brachial plexus, spinal cord and peripheral nerve injuries, as well as the treatment of peripheral nerve tumors.

Andrew Billnitzer, MD, MPH

Neurologist 

Dr. Andrew Billnitzer specializes in chronic neurological conditions including ataxia, essential tremor, Huntington's disease, Parkinson's disease and restless leg syndrome. 

Eugene Lai, MD, PhD
Neurologist 
Dr. Eugene Lai specializes in the causes and treatments of neurodegenerative diseases, such as Parkinson's disease, Alzheimer's disease, amyotrophic lateral sclerosis, and other related disorders.  

Olga Waln, MD
Neurologist 
Dr. Olga Waln specializes in the evaluation and management of patients with Parkinson's disease, tremors, dystonia, chorea, tics and gait disorders, including botulinum toxin treatment, deep brain stimulation and intrathecal baclofen pump treatment.