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Meet Our Neurosurgery Residents


Postgraduate Year 7

  • Brian Y. Hwang, M.D., SO-ATP

    Undergraduate Education: Swarthmore College (2005)
    Medical School: Columbia University College of Physicians and Surgeons (2011)
    Research Areas: enfolded functional neurosurgery fellowship (2019-2020); traumatic brain injury and spinal cord injury; operational and tactical medicine; laser ablation in epilepsy; advanced neuromodulation.
    Brian Y. Hwang
  • Yike Jin, M.D.

    Undergraduate Education: Johns Hopkins University (2011)
    Medical School: Johns Hopkins University (2015)
    Research Areas: 2-year complex spine fellowship; clinical project evaluating accuracy of freehand pedicle screw placement; exploration of graft materials to optimize bony fusion in spine constructs; clinical interests include optimizing spinal fusion and clinic outcomes for spinal deformity.
    Yike Jin
  • Daniel Lubelski, M.D.

    Undergraduate Education: City University of New York, Queens College (2009)
    Medical School: Cleveland Clinic (2015)
    Research Areas: enfolded peripheral nerve fellowship (2019-2020); spinal deformity and oncology fellowship (2021-2022); Carnegie Center for Surgical Innovation Clinical Innovators program; clinical interests in prediction models, cost and comparative effectiveness, and quality of life outcomes in neurosurgery.
    Profiles: LinkedIn | ResearchGate | PubMed | Twitter

    Awards and Grants:
    • Neurosurgery Research & Education Foundation (NREF) Clinical Spine Fellowship (2021-22)
    • Johns Hopkins Neurosurgery Walter Dandy Award for Achievement in Clinical Research (2021)
    • Joint Section on Disorders of the Spine and Peripheral Nerve Kline Peripheral Nerve Award (2021)
    • Johns Hopkins School of Medicine Irving J. Sherman Traveling Fellowship Award (2020)
    • Johns Hopkins Department of Neurosurgery Chairman’s Award for Safety (2019)
    Daniel Lubelski
  • Dimitrios Mathios, M.D.

    Undergraduate Education: University of Athens School of Health Sciences (2011)
    Medical School: University of Athens (2015)

    Research Areas:
    • Early detection and disease monitoring of brain tumors, lung cancer, pancreatic cancer via liquid biopsy approaches under the mentorship of Dr. Victor Velculescu, Dr. Chetan Bettegowda
    • Development of immunotherapy approaches for the treatment of brain tumors and chordomas under the mentorship of Dr. Michael Lim.
    • Clinical research interests include the outcomes from treatment of metastatic or primary brain tumors.

    Awards and Grants:
    • B*CURED/NREF 2020-21 Research Fellowship Grant
    • AACR-Conquer Cancer Foundation of ASCO Young Investigator Award for Translational Cancer Research
    • Harvey Cushing Hunterian Research Award (2021)

    Patents:
    • US10174384B2, Use of the ZMIZ1 marker in directing treatment and predicting survival in cancer
    • US20160310453A1, Combination of immunotherapy with local chemotherapy for the treatment of malignancies
    • Filed patent under review: Detection of lung cancer using cell-free DNA fragmentation
    Dimitrios Mathios
  • Risheng Xu, M.D., Ph.D.

    Undergraduate Education: Harvard (2007)
    Medical School: Johns Hopkins (2015)

    Research Areas:
    • Mouse models and molecular mechanisms underlying trigeminal neuralgia
    • Translational therapies for the treatment of trigeminal neuralgia and neuropathic pain 
    • Molecular mechanisms underlying stroke and other cerebrovascular disorders 

    Awards and Grants:
    • Irving J. Sherman Award for Resident Achievement/Outstanding Junior Resident (2017)
    • Blaustein Pain Research Grant
    • The Johns Hopkins University Department of Neurological Surgery 2020 NREF & AANS/CNS Section on Pain Research Fellowship Grant
    • R25 NINDS Research Education Grant
    Risheng Xu

Postgraduate Year 6

  • Jennifer Kim, M.D.

    Undergraduate Education: Johns Hopkins University (2010)
    Medical School: Johns Hopkins (2016)

    Research Areas:
    • Enfolded endovascular fellowship under the mentorships of Dr. Mcdougall and Dr. Caplan (2020-2021)
    • Basic science interests: to define the immune characteristics of neuroinflammatory cerebrovascular disorders including subarachnoid hemorrhage and ischemic stroke, and to identify molecular targets for intervention on pathologic immune cells under the mentorships of Dr. Jackson and Dr. Lim
    Jennifer Kim
  • Ann Liu, M.D.

    Undergraduate Education: University of North Carolina at Chapel Hill, NC (2011)
    Medical School: Wake Forest (2016)
    Awards and Grants: 2020-2021 NEUROSURGERY® Publications Resident Fellowship
    Ann Liu
  • Jordina Rincon-Torroella, M.D.

    Undergraduate Education: INS Serrallarga, Blanes, Spain (2006)
    Medical School: University of Barcelona (2013)

    Research Areas:
    • Post-doctoral fellow at The Ludwig Center with the mentorship of Dr. Vogelstein, Dr. Bettegowda, Dr. Kinzler, Dr. Papadopoulos, Dr. Zhou and Dr. Sur. Study of cancer genomics, development of novel therapeutics, and targeted therapies for cancer. Project: MCT1 mediated transport to target glycolytic tumors with encapsulated 3-bromopyruvate.
    • Clinical research projects: Clinical outcomes in molecularly defined gliomas (e.g. 1p19q codeletion, CDKN2A/B deletion, IDH1-mutation, H3K27M, TERT promoter mutation) - with Dr. Bettegowda's mentorship; Long-term outcomes after surgical treatment of skull base tumors - with Dr. Gallia's mentorship. 
    • Educational research projects: Impact of the Physician Scientist Training Program in academic productivity and career advancement. The role of international research fellows in academic neurosurgery.

    Quality Improvement Programs: House Staff Council Neurosurgery Representative (2020-2022), Neurosurgery Program Evaluation Committee (Class of '23 Representative)

    Books coedited:
    • The Neurosurgical Consult book, ELSEVIER (in production), co-editors: Risheng Xu, MD/PhD; Ann Liu, MD.
    • Video Atlas of Neurosurgery, Contemporary Tumor and Skull Base Surgery, ELSEVIER (2016), Editor-in-chief: Alfredo Quiñones-Hinojosa, MD.

    Awards and Grants:
    • NINDS Research Education Grant (R25)
    • Physician Scientist Training Program Scholar, Johns Hopkins Hospital (2020)
    • Chairman's Award for Patient Safety (2021)
    • Human and Mammalian Genetics and Genomics: The 61st McKusick Short Course Scholarship (2020)
    • Johns Hopkins Department of Neurosurgery Earl Walker Outstanding International Fellow Award (2015).
    Jordina Rincon-Torroella
  • Amanda Sacino, M.D., Ph.D.

    Undergraduate Education: Boston University (2009)
    Medical School: University of Florida (2016)
    Amanda Sacino

Postgraduate Year 5

  • Nancy Abu-Bonsrah, M.D.

    Undergraduate Education: Mt. Saint Mary’s University, Emmitsburg, MD (2012)
    Medical School: Johns Hopkins University (2017)
    Clinical Interests: Pursuing an MPH at Bloomberg School of Public Health with an interest in Global Neurosurgery. Interested in neurosurgical capacity building in Ghana and similar LMICs.
    Profiles: PubMed | Twitter
    Nancy Abu-Bonsrah
  • Brendan Judy, M.D.

    Undergraduate Education: University of Richmond, Richmond, VA (2010)
    Medical School: Sidney Kimmel Medical College at Thomas Jefferson University (2017)
    Brendan Judy
  • Ryan Lee, M.D.

    Undergraduate Education: Vanderbilt, Nashville, TN (2012)
    Medical School: University of Tennessee (2017)
    Research Areas: Vascular Neurosurgery; CSF Disorders
    Clinical Track: Open and endovascular enfolded fellow
    Profiles: ResearchGate

    Awards:
    • Irving Sherman Award for Resident Achievement (2019)
    • Chairman’s Award for Improving Patient Safety (2020)
    Ryan Lee
  • Ryan Planchard, M.D.

    Undergraduate Education: Vanderbilt, Nashville TN (2013)
    Medical School: Mayo Medical School (2017)
    Ryan Planchard
  • Wuyang Yang, M.D., M.S.

    Undergraduate Education: Capital Medical University (combined 7-year undergraduate and medical school program)
    Medical School: Capital Medical University, China (2017)

    Research Areas:
    • Enfolded vascular fellowship under Dr. Tamargo, Dr. Huang, Dr. Caplan and Dr. C. Jackson
    • Characterizing clinical features of brain AVMs, created the first Hopkins AVM database under mentorship of Dr. Huang
    • Clinical research on aneurysms, moyamoya disease and cavernous malformations
    • Use of clinical informatics, case-based-reasoning, on neurosurgery clinical decision making
    Wuyang Yang

Postgraduate Year 4

  • Alice Hung, M.D.

    Undergraduate Education: Johns Hopkins (2013)
    Medical School: Johns Hopkins (2018)
    Alice Hung
  • Kurt Lehner, M.D.

    Undergraduate Education: Kansas University (2011)
    Medical School: Hofstra University (2018)
    Kurt Lehner
  • Andrew Luksik, M.D.

    Undergraduate Education: Vanderbilt (2011)
    Medical School: Johns Hopkins (2018)
    Andrew Luksik
  • Jose "Tito" Porras, M.D.

    Undergraduate Education: University of Texas (2012)
    Medical School: Dartmouth (2018)
    Jose

Postgraduate Year 3

  • Tej Azad, M.D.

    Undergraduate Education: Washington University, St. Louis (2012)
    Medical School: Stanford (2019)
    Research Areas: Molecular diagnostics; health policy; cranial and spinal trauma
    Profiles: LinkedIn | ResearchGate | PubMed | Google Scholar | Twitter

    Awards and Grants:
    • Physician Scientist Training Program Scholar, Johns Hopkins Hospital (2020)
    • CNS Julius Goodman Resident Award, Congress of Neurological Surgeons (2019)
    • Socioeconomic Research Fellow, Council of State Neurosurgical Societies (2017)
    • Clinical Research Fellow, Doris Duke Charitable Foundation (2016)
    • NIH TL1 Clinical Training Scholar, Stanford University (2015)
    Tej Azad
  • Lydia Bernhardt, M.D.

    Undergraduate Education: Johns Hopkins University (2014)
    Medical School: Johns Hopkins University (2019)
    Lydia Bernhardt
  • Landon Hansen, M.D., Ph.D.

    Undergraduate Education: Brigham Young University (2011)
    Medical School: Duke University (2019)
    Landon Hansen
  • Yuanxuan Xia, M.D.

    Undergraduate Education: Washington University, St. Louis (2014)
    Medical School: Johns Hopkins University (2019)
    Yuanxuan Xia

Postgraduate Year 2

  • Karim Ahmed, M.D.

    Undergraduate Education: University of Notre Dame (2014)
    Medical School: Johns Hopkins University (2020)
    Karim Ahmed
  • Wataru Ishida, M.D.

    Undergraduate Education: University of Tokyo (2008)
    Medical School: University of Tokyo Faculty of Medicine (2012)
    Wataru Ishida
  • Jawad Khalifeh, M.D.

    Undergraduate Education: American University of Beirut (2015)
    Medical School: Washington University in St. Louis School of Medicine (2020)
    Jawad Khalifeh

Postgraduate Year 1

  • Cory Chang, M.D.

    Undergraduate Education: Dartmouth College (2013)
    Medical School: Columbia University Vagelos College of Physicians and Surgeons (2021)
    Cory Chang
  • Joe Dardick, M.D.

    Undergraduate Education: University of Virginia (2015)
    Medical School: Albert Einstein College of Medicine (2021)
    Joe Dardick
  • James Feghali, M.D.

    Undergraduate Education: American University of Beirut (2014)
    Medical School: American University of Beirut Faculty of Medicine (2018)
    Profiles: LinkedIn | Twitter
    James Feghali
  • Connor Liu, M.D.

    Undergraduate Education: Washington University in St. Louis (2013)
    Medical School: Washington University in St. Louis (2021)
    Connor Liu
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