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Meet Our Fellows

The Department of Neurological Surgery's fellows are:

Current Neurosurgery Fellows

Joseph Lockwood

Joseph Lockwood, MD

2023–2024
Skull Base Neurological Surgery Fellow
Tulane University/Ochsner Clinic Foundation
Khachatryan, Tigran

Tigran Khachatryan, MD

2023–2025
Neurointerventional Surgery Fellow
University of California, Irvine 
Winslow, Nolan

Nolan Winslow, MD

2023–2024
Epilepsy Neurological Surgery Fellow
University of Illinois, Peoria

Past fellows

  • Justin Granstein, MD, MPH - (Academic Practice - Beth Israel Deaconess Medical Center/Harvard SOM, Boston, MA)
    2021-2023 Neurointerventional Surgery Fellow
    Neurocritical Care Fellow, Mount Sinai Hospital
  • Maheen Khan, MD (Academic Practice - University of St. Louis)
    Skull Base Neurosurgery Fellow
    Stereotactic & Functional Neurosurgery
    St Louis University

  • Michael G. Kim, MD (Private Practice - Long Beach, CA; VOL Assistant Clinical Professor, UCI Department of Neurological Surgery
    2021-2022
    Skull Base Neurosurgery Fellow
    Stereotactic & Functional Neurosurgery
    New York Medical College

  • Brendan Fong, MD (Neurosurgery of St. Louis) 
    2020-2021
    Skull Base Neurosurgery Fellow
    Stereotactic & Functional Neurosurgery
    Washington University School of Medicine

  • Kamran Urgun, MD 
    2019-2020
    Skull Base Neurosurgery Fellow
    Stereotactic & Functional Neurosurgery

  • Andrew Schnure, DO (Practice- USC Arcadia Hospital-Keck Medicine of USC, Arcadia, CA) 
    Neurointerventional Surgery Fellow, 2018-2020
    Valley Hospital Medical Center

  • Dustin Hatefi, MD
    Skull Base Neurosurgery Fellow, 2018-2019
    University of California, San Diego

  • Ali O. Jamshidi, MD
    Skull Base Neurosurgery Fellow, 2017-2018
    The Ohio State University

  • Ravi Patel, MD
    Neurointerventional Surgery Fellow, 2016-2018
    SUNY Upstate Medical University

  • Mark Calayag, MD
    Skull Base Neurosurgery Fellow, 2016-2017
    Albany Medical College

  • Gilbert Cadena, MD
    Skull Base Neurosurgery Fellow, 2015-2016
    University of California, Davis

  • Thomas P. Lo, MD
    Endovascular Surgical Radiology Fellow, 2014-2015
    Loma Linda University

  • Robert E. Ayer, MD
    Skull Base Neurosurgery Fellow, 2013-2014
    Loma Linda University