Our Fellows

Current Neurosurgery Fellows

W. Christopher Newman, MD
Memorial Sloan Kettering Fellowship 2019-2020
University of Pittsburgh (Pittsburgh, PA)

Ankur R. Patel, MD
Memorial Sloan Kettering Fellowship 2019-2020
The University of Texas Southwestern Medical School (Dallas, TX)

Neurosurgery Fellows, 1998 to 2018

John Berry-Candelario, MD, MPH
Memorial Sloan Kettering Fellowship 2018-2019
Department of Neurosurgery
UMass Memorial Medical Center (Worcester, MA)

Celina Crisman, MD, MPH
Memorial Sloan Kettering Fellowship 2018-2019
Department of Neurosurgery
UMass Memorial Medical Center (Worcester, MA)

Ori Barzilai, MD
Memorial Sloan Kettering Fellowship 2016-2018
Assistant Attending, Department of Neurosurgery 
Memorial Sloan Kettering (New York, NY)

Rupa Gopalan Juthanin, MD
Memorial Sloan Kettering Fellowship 2017-2018
Assistant Professor of Neurosurgery
Weill Cornell Medicine (New York, NY)

Marie Roguski, MD, MPH
Memorial Sloan Kettering Fellowship 2017-2018
Neurosurgeon, Assistant Professor
Tufts Medical Center (Boston, MA)

Hamish Alexander, MD,BSc(Hons), MBChB, Mphil, FRACS
Memorial Sloan Kettering Fellowship 2016-2017
Neurosurgeon and Spine Surgeon
Princess Alexandra Hospital (Brisbane, Australia)

Adam M. Robin, MD
Memorial Sloan Kettering Fellowship 2016-2017
Neurological Surgeon
Henry Ford Hospital (Detroit, MI)

Koos Hovinga, MD
Memorial Sloan Kettering Fellowship 2015-2016
Academic Medical Center (Amsterdam, The Netherlands)

Yoshua Esquenazi Levy, MD
Memorial Sloan Kettering Fellowship 2015-2016
Assistant Professor and Director of Surgical Neuro-Oncology
Assistant Professor, Center for Precision Health
The University of Texas Health Science Center at Houston (Houston, TX)

Muhammad Omar Chohan, MD
Memorial Sloan Kettering Fellowship 2014-2015
Director Neurosurgical Oncology
Assistant Professor, University New Mexico
University of New Mexico (Albuquerque, NM)

Brad E. Zacharia, MD, MS
Memorial Sloan Kettering Fellowship 2014-2015
Assistant Professor of Neurosurgery
Co-Director, Neuro Oncology Program
Director, Brain Tumor and Skull Base Surgery
Penn State Health (Hershey, PA)

Toral Patel, MD
Memorial Sloan Kettering Fellowship 2013-2014
Assistant Professor, Department of Neurological Surgery
UT Southwestern Medical Center (Dallas, TX)

James K. Liu, MD
Memorial Sloan Kettering Fellowship 2013-2014
Associate Professor of Neurosurgery & ENT
Director, Center for Skull Base and Pituitary Surgery
Director, Surgical Neuro-Oncology and The Brain Tumor Center
Director, Cerebrovascular Bypass Program
Co-Director, Endoscopic Skull Base
Rutgers New Jersey Medical School (Newark, NJ)

Jennifer Moliterno Gunel, MD, FAANS
Memorial Sloan Kettering Fellowship 2012-2013
Assistant Professor of Neurosurgery
Clinical Program Leader, Brain Tumor Program
Associate Residency Program Director 
Yale School of Medicine (New Haven, CT)

Tiffany Powell Avila, MD
Memorial Sloan Kettering Fellowship 2012-2013
Neurosurgeon
Providence Health & Services (Mission Hills, CA)

Nduka Amankulor, MD
Memorial Sloan Kettering Fellowship 2011-2012
Assistant Professor, Neurological Surgery
Associate Director, Adult Neurosurgical Oncology
University of Pittsburgh Medical Center

John J. Kelly, MD, MD, PhD, FRCSC
Memorial Sloan Kettering Fellowship 2011-2012
Assistant Professor of Neurosurgery
University of Calgary (Calgary, Canada)

Ricardo Jorge Komotar, MD, FAANS, FACS
Memorial Sloan Kettering Fellowship 2010-2011
Associate Professor of Neurosurgery
Director of Neurosurgery Residency Program
Director of Surgical Neurooncology
Director of Surgical Neurooncology Fellowship Program 
Director of The University of Miami Brain Tumor Initiative 
University of Miami Health System (Miami, FL)

Jonathan D. Sherman, MD
Memorial Sloan Kettering Fellowship 2010-2011
Assistant Professor of Neurosurgery
Director of Surgical Neuro-oncology
Director of Stereotactic Radiosurgery
George Washington University (Washington, DC)

Nicholas Szerlip, MD
Memorial Sloan Kettering Fellowship 2009-2010
Director of Spine Oncology
Clinical Associate Professor, Neurological Surgery
University of Michigan Medicine (Ann Arbor, MI)

J. Bradley Elder, MD
Memorial Sloan Kettering Fellowship 2009-2010
Director, Neurosurgical Oncology
Associate Professor, Department of Neurological Surgery
The Ohio State University Wexner Medical Center (Columbus, OH)

Hugh Moulding, MD, PhD
Memorial Sloan Kettering Fellowship 2008-2009
Clinical Director of St. Luke’s Brain and Spine Tumor Center
St. Luke’s University Health Network (Bethlehem, PA)

Marc Goldman, MD
Memorial Sloan Kettering Fellowship 2008-2009
CHI Franciscan (Tacoma, WA)

Rishi N. Sheth, MD
Memorial Sloan Kettering Fellowship 2007-2008
Boca Raton Regional Hospital (Delray Beach, FL)

Syed Azeem, MD
Memorial Sloan Kettering Fellowship 2006-2007
Kaiser Permanente Capitol Hill Campus (Seattle, WA)

Simone A. Betchen, MD
Memorial Sloan Kettering Fellowship 2005-2006
Maimonides Medical Center (Brooklyn, NY)

Joseph DeMattia, MD
Memorial Sloan Kettering Fellowship 2004-2005
Adjunct Instructor, Department of Neurosurgery
NYU Langone Health (New York, NY)

Ashok Modha, MD, FRCSC
Memorial Sloan Kettering Fellowship 2003-2004
Rebound Orthopedics & Neurosurgery (Vancouver, WA)

Frederic Collignon, MD, PhD
Memorial Sloan Kettering Fellowship 2001-2002
Department Head of Neurosurgery
Delta Hospital and Clinique du Parc Leopold, CHIREC (Brussels, Belgium)

Vikram Prabhu, MD, FACS
Memorial Sloan Kettering Fellowship 2001-2002
Medical Director, Neurosurgery
Radiation Oncology Professor

Todd Vitaz, MD
Memorial Sloan Kettering Fellowship 2000-2001
Director, Neurosurgical Oncology
Spectrum Health Medical Group (Reed City, MI)

Cameron W. Brennan, MD
Memorial Sloan Kettering Fellowship 1999-2000
Attending Neurosurgeon, Department of Neurosurgery
Director, Intraoperative MRI
Memorial Sloan Kettering (New York, NY)

Viswanathan Rajaraman, MD (Deceased)
Memorial Sloan Kettering Fellowship 1998-1999
Co-Chief, Neuro-oncology
Clinical Assistant Professor
John Theurer Cancer Center Hackensack Medical Center (Hackensack, NJ)

Viviane Tabar, MD
Memorial Sloan Kettering Fellowship 1997-1999
Chair, Department of Neurosurgery
Theresea C. Feng Chair in Neurosurgical Oncology
Director, Skull Base and Pituitary Tumor Center
Neurosurgical Laboratories 
Memorial Sloan Kettering (New York, NY)