We are led by remarkable physicians and scientists. Learn about our leaders and their programs.

Leaders

LonserRussell

Russell Lonser, MD

Chair and Professor, Department of Neurological Surgery

I am a professor and chair of the Department of Neurological Surgery. My clinical and surgical research interests are centered on the treatment of brain cancer, brain injuries, pituitary cancers, brain concussions, brain hemorrhage and brain stem tumors.


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Our Doctors

Our Pediatric Surgeons

LeonardJeffery

Jeffrey Leonard, MD

Professor and Chief, Pediatric Neurosurgery

I completed my residency and fellowship programs at St. Louis Children’s Hospital and Washington University School of Medicine. Before joining Ohio State’s Neurosurgery team, I was a neurosurgeon at St. Louis Children’s Hospital. I was also an associate professor of neurosurgery and pediatrics at Washington University School of Medicine.


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Pindrik

Jonathan Pindrik, MD

Assistant Professor, Neurological Surgery

I completed my residency at Johns Hopkins Hospital, and fellowship at Children’s of Alabama and University of Alabama at Birmingham. I joined the Nationwide Children's Hospital Pediatric Neurosurgery team in July 2015.


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SribnickEric

Eric Sribnick, MD, PhD

Assistant Professor, Neurological Surgery

I am a assistant professor in clinical neurological surgery and am a pediatric neurosurgeon at Nationwide Children's Hospital. My research interests include pediatric and adult neurotrauma.


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Joint-Appointment Faculty

Our Researchers

Our leaders

CarrauRicardo

Ricardo Carrau, MD

Professor, Department of Otolaryngology – Head and Neck Surgery, Department of Neurological Surgery

Dr. Carrau's clinical and research interests include head oncology, swallowing disorders, salivary gland disorders and sialendoscopy, endoscopic sinus surgery and endoscopic and open skull base surgery. He joined the faculty as director of the Comprehensive Skull Base Surgery Program and co-director of the Anatomy Laboratory Toward Visuospatial Innovation in Otolaryngology and Neurosurgery.

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DeogaonkarMilind

Milind Deogaonkar, MBBS

Associate Professor – Clinical, Department of Neurological Surgery

Dr. Deogaonkar is an associate professor of neurological surgery. His research interests include neuromodulation, neural circuitry and functional neuroimaging.

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FarhadiFrancis

Francis Farhadi, MD, PhD

Director, Spinal Surgery Fellowship Program

Dr. Farhadi’s laboratory is focused on developing and validating small animal models of central and peripheral nervous system injury that can be used to test the potential of stem-cell implantation to enhance functional recovery. The results and conclusions will help guide the rational design of human trials evaluating the clinical potential of stem-cell therapies.

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KrishnaVibhor

Vibhor Krishna, MBBS

Assistant Professor, Department of Neurological Surgery

Dr. Krishna is an assistant professor of neurological surgery at The Ohio State University College of Medicine. His research interests include functional neuroimaging, tractography, neurophysiology, neuromodulation mechanisms of action and spinal cord injury.

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Leonard

Jeffrey Leonard, MD

Professor, Department of Neurological Surgery

Dr. Leonard completed his residency and fellowship programs at St. Louis Children’s Hospital and Washington University School of Medicine. Before joining Ohio State’s Neurosurgery team, he was a neurosurgeon at St. Louis Children’s Hospital. His research interests include childhood brain tumors and pediatric head trauma.

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LonserRussell

Russell Lonser, MD

Professor and Chair, Neurological Surgery; Professor, Neuroscience

Dr. Lonser investigates brain, brainstem and spinal cord tumor treatments. He studies neoplasia syndromes, direct nervous system drug delivery and tumor biology. Neoplasia studies include pathogenesis/propagation in familial tumor suppressor syndromes, including von Hippel-Lindau disease. Dr. Lonser leads the National Football League Research Subcommittee and serves on the NFL’s Head, Neck and Spine Medical Committee.

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NimjeeShahid

Shahid Nimjee, MD, PhD

Assistant Professor-Clinical, Neurological Surgery

Dr. Nimjee's clinical interests include open and endovascular treatment of cerebrovascular disease. His research interests include exploiting the properties of RNA biology to better diagnose and treat thromboembolic disease as it pertains to cerebrovascular neurosurgery. Dr. Nimjee was awarded the K12 Award from the National Institute of Neurological Disorders and Stroke, one of only seven neurosurgeons to have received this award.

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OttoBrad

Bradley Otto, MD

Assistant Professor – Clinical, Department of Otolaryngology – Head and Neck Surgery and Department of Neurological Surgery

Dr. Otto's research interests include predictors of clinical outcomes for rhinosinusitis and the pathogenesis of nasal polyps. As a member of the Comprehensive Skull Base Surgery Center, he is also interested in the development of new techniques and devices to treat complex skull base disorders.

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Pindrik

Jonathon Pindrik, MD

Pediatric Neurosurgeon, Nationwide Children's Hospital

Dr. Pindrik completed his residency at Johns Hopkins Hospital, and fellowship at Children’s of Alabama and University of Alabama at Birmingham. He joined the Nationwide Children's Hospital Pediatric Neurosurgery team in July 2015.

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PowersCiaran

Ciaran Powers, MD, PhD

Assistant Professor, Department of Neurological Surgery

Dr. Ciaran Powers is an assistant professor of neurological surgery. His research interests include early changes in intracellular signaling pathways following subarachnoid hemorrhage, neurocognitive outcome following subarachnoid hemorrhage.

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SribnickEric

Eric Sribnick, MD, PhD

Assistant Professor – Clinical, Department of Neurological Surgery

Dr. Sribnick is a pediatric neurosurgeon at Nationwide Children's Hospital. His research interests include pediatric and adult neurotrauma.

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TimpermanAlbert

Albert Timperman, MD

Professor – Clinical, Department of Neurological Surgery

In addition to his clinical practice at Ohio State's Comprehensive Spine Center, Dr. Timperman is on the faculty of the Department of Neurological Surgery at Ohio State. His work includes comprehensive evaluation, management and surgical and non-surgical therapies for pain due to spinal and non-spinal conditions or muscle spasticity as a result of central nervous system injury or diseases.

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YoussefPatrick

Patrick Youssef, MD

Assistant Professor of Neurological Surgery

Dr. Youssef is an assistant professor of neurological surgery at Ohio State. His research interests include inflammatory and vascular response to subarachnoid hemorrhage, novel therapeutic modalities for complex aneurysms, evaluation of new devices and techniques for use in the treatment of all facets of neurovascular disorders and prevention of vasospasm.

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Staff

Staff

Our leaders

Staff

Brenda Adkins

Assistant to Dr. Puduvalli

614-366-8343

Susan Bell, MS, CNRN

Certified Nurse Practitioner, Dr. McGregor

614-293-3143

Tammy Combs

Center for Neuromodulation

614-685-3238

Mark Constable, CNP

CNP to Drs. Nimjee and Youssef

614-366-0499

Lakesha Cross

Education Coordinator

614-293-0821

Marissa Dejesus, CNP

Nurse Practitioner, Dr. Powers

614-366-8704

Leslie Dunn, CNP

Certified Nurse Practitioner

614-366-6891

Mollie Flora

Assistant to Dr. Farhadi

614-366-4961

Heather Freier, RN, MS, CNP

Certified Nurse Practitioner

614-293-8353

Mendy Hollingshead

Department Administrator

614-293-5444

Amy Kull, RN

614-366-0499

Judy Lima, RN

Registered Nurse-Neuro-Oncology

614-293-7137

Lori Short

Assistant to Dr. McGregor

614-293-5440

Tracy Sutton

Assistant to Dr. Powers

614-293-6259

Kelli Tingley

Assistant to Dr. Puduvalli

614-688-7592

DeAnne Valentine

Assistant to Dr. Russell Lonser, Assistant to Dr. James B. Elder

614-685-6985

Laurie Ward

Assistant to Dr. Ehud Mendel

(614) 293-5346

Andrew Wasson, CNP

Certified Nurse Practitioner to Dr. Ehud Mendel