Essential Tremor Team

Casey H. Halpern, MD
Assistant Professor of Neurosurgery, and
By Courtesy, of Neurology and of 
Psychiatry and Behavioral Sciences

Dr. Halpern received his medical degree from the University of Pennsylvania School of Medicine. He completed his residency in Neurological Surgery and a fellowship in Stereotactic and Functional Neurosurgery at the University of Pennsylvania. He focuses on the surgical treatment of movement disorders and epilepsy and has particular interest in minimally invasive surgical approaches, as well as neurostimulation procedures.

Jaimie Henderson, MD
John and Jene Blume - Robert and Ruth Halperin Professor of Neurosurgery

Dr. Henderson is the director of the program in Stereotactic and Functional Neurosurgery, and has a special interest in movement disorders and epilepsy. Dr. Henderson received his M.D. from Chicago's Rush Medical College in 1988. After completing his residency in Neurosurgery at Saint Louis University and fellowship training in Stereotactic and Functional Neurosurgery, he started the movement disorders surgery program at St. Louis University where he remained on the faculty for 6 years. He joined the Neurosurgery staff of the Cleveland Clinic in 2001, and Stanford's Neurosurgery Department in 2004. Dr. Henderson is an expert in invasive monitoring for surgical evaluation of patients with drug resistant epilepsy.

Scott G. Soltys, MD
Associate Professor of Radiation Oncology (Radiation Therapy)

My clinical and research interests focus on the development of new radiation techniques involving stereotactic radiosurgery and radiotherapy for the treatment of malignant and benign tumors of the brain and spine, as well as functional disorders such as trigeminal neuralgia.

Pejman Ghanouni, MD, PhD
Assistant Professor of Radiology (General Radiology, and by Courtesy,     of Neurosurgery

C. Kwang Sung, MD, MS
Assistant Professor of Otolaryngology - Head and Neck Surgery (Laryngology)

Dr. Sung joined the Stanford faculty in 2010 as Assistant Professor. He is also a staff physician at the Veteran’s Administration Palo Alto Health Care System. His clinical interests include the care of professional voice users; phonomicrosurgery; treatment of vocal fold paralysis with laryngeal framework surgery and injection techniques; diagnosis and Botox treatment of spasmodic dysphonia; office-based laser surgery; treatment of recurrent laryngeal papilloma; treatment of essential laryngeal tremor; and treatment of laryngeal cancer.


Elizabeth DiRenzo, MS, PhD
Assistant Professor of Otolaryngology - Head and Neck Surgery (Laryngology)

I received my Master’s degree in speech language pathology from Purdue University in 2008. I then completed my Clinical Fellowship Year (CFY) at Indiana University Health – Arnett Hospital in Lafayette, Indiana. Following the completion of my Master’s degree, I remained at Purdue and received my PhD in 2012 in laryngeal physiology with M. Preeti Sivasankar, PhD. My clinical interests include the evaluation and treatment of patients with voice, resonance, airway, and swallowing disorders. 


Traci Hornbeck, PA-C
Physician Assistant

Erika A. Lim, BSN, RN, CMSRN
Nurse Coordinator