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Meet Our Current Residents in Neurosurgery

Postgraduate Year 7 (Class of 2021)
Postgraduate Year 6 (Class of 2022)
Postgraduate Year 5 (Class of 2023)
Postgraduate Year 4 (Class of 2024)
Postgraduate Year 3 (Class of 2025)
Postgraduate Year 2 (Class of 2026)
Postgraduate Year 1 (Class of 2027)


Postgraduate Year 7

Christina Jackson, MD

Christina Jackson, M.D.

Undergraduate Education: University of Texas at Austin (2009)
Medical School: Harvard (2014)

Research Areas:

  • Enfolded neuro-oncology fellowship under the mentorships of Drs. Weingart, Lim, Bettegowda and Gallia.
  • Under the mentorship of Dr. Drew Pardoll: To further the understanding of glioma immunogenomics by investigating the dynamic changes in the immune response and neoantigen landscape in glioma patients during immune checkpoint blockade to identify immunologic and genetic predictors of response.
  • Uncovering and reversing alterations to the immune phenotype of glioma patients with the goal of designing more tailored immune based therapies.
  • Clinical research interests include: Clinical outcomes in gliomas, meningiomas, brain metastases, and pituitary tumors. Objective assessment of surgical competency in knowledge, decision making, and technical skills in neurosurgical trainees. Minimally invasive and tubular trans-sulcal surgical approaches in intra-axial tumor resection.

Awards and Grants: Neuroscience Patient Flow Super Start Award (2016), Johns Hopkins Neurosurgery.  Neurosurgery Research & Education Foundation (NREF) & B*CURED Research Fellowship Grant. NINDS Research Education Grant (R25). NINDS Postdoctoral NRSA Fellowship (F32). Physician Scientist Training Program Scholar (2019), Johns Hopkins School of Medicine. Irving J. Sherman Traveling Fellowship Award (2019), Johns Hopkins Neurosurgery. Harvey Cushing Hungarian Research Award (2020), Johns Hopkins Neurosurgery.

Erick Westbroek, M.D.

Erick Westbroek, M.D.

Undergraduate Education: University of Utah (2009)
Medical School: Stanford (2014)

Research Areas:

  • Two-year complex spine fellowship
  • Collaboration with the Carnegie Center for Surgical Innovation and Clinical Innovators Program to improve shunt devices in hydrocephalus
  • Clinical research interests: vascular malformations of the brain and spine, spine trauma, spinal column tumors and deformity

Awards and Grants: Outstanding Rotating Intern, Department of Surgery (2015), The Johns Hopkins Hospital, School of Medicine Irving J. Sherman Award for Resident Achievement/Outstanding Junior Resident (2016), The Johns Hopkins University, Department of Neurological Surgery

Postgraduate Year 6

Brian Hwang, M.D.

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
Yike Jin, M.D.

Yike Jin, M.D.

Undergraduate Education: Johns Hopkins University (2011)
Medical School: Johns Hopkins (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
Daniel Lubelski, M.D.

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.

Awards and Grants: B*CURED/NREF 2020-21 Research Fellowship Grant (2020); Johns Hopkins Department of Neurosurgery Chairman’s Award for Safety (2019)

Dimetrios Mathios, M.D.

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 via liquid biopsy approaches under the mentorship of Dr. Victor Velculescu.
  • Development of immunotherapy approaches for the treatment of brain tumors and chordomas under the mentorship of Dr. Michael Lim.
  • Clinical Research interests include the development of machine learning approaches for outcome prediction of patients with trigeminal neuralgia and 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

Patent: US10174384B2, Use of the ZMIZ1 marker in directing treatment and predicting survival in cancer

Filed patent under review: Combination of Immunotherapy with local chemotherapy for the treatment of malignancies

Risheng Xu, M.D.

Risheng Xu, M.D., Ph.D.

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

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


Postgraduate Year 5

Jennifer Kim, M.D.

Jennifer Kim, M.D.

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

Ann Liu, M.D.

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

Jordina Rincon-Torroella, M.D.

Jordina Rincon-Torroella, M.D.

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

Amanda Sacino, M.D., Ph.D.

Amanda Sacino, M.D., Ph.D.

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


Postgraduate Year 4

Nancy Abu-Bonsrah, M.D.

Nancy Abu-Bonsrah, M.D.

Undergraduate Education: Mt. Saint Mary’s University, Emmitsburg, MD (2012)
Medical School: Johns Hopkins (2017)

Brendan Judy, M.D.

Brendan Judy, M.D.

Undergraduate Education: University of Richmond, Richmond, VA (2010)
Medical School: Sidney Kimmel Medical College at Thomas Jefferson University (2017)

Ryan Lee, M.D.

Ryan Lee, M.D.

Undergraduate Education: Vanderbilt, Nashville, TN (2012)
Medical School: University of Tennessee (2017)

Ryan Planchard, M.D.

Ryan Planchard, M.D.

Undergraduate Education: Vanderbilt, Nashville TN (2013)
Medical School: Mayo Medical School (2017)

Wuyang Yang, M.D.

Wuyang Yang, M.D.

Undergraduate Education: Capital Medical School, University of China (2008)
Medical School: Capital Medical University, China (2017)


Postgraduate Year 3

Alice Hung, M.D.

Alice Hung, M.D.

Undergraduate Education: Johns Hopkins (2013)
Medical School: Johns Hopkins (2018)

Kurt Lehner, M.D.

Kurt Lehner, M.D.

Undergraduate Education: Kansas University (2011)
Medical School: Hofstra University (2018)

Andrew Luksik, M.D.

Andrew Luksik, M.D.

Undergraduate Education: Vanderbilt (2011)
Medical School: Johns Hopkins (2018)

Jose Porras, M.D.

Jose "Tito" Porras, M.D.

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


Postgraduate Year 2

Tej Azad, MDTej Azad, M.D.

Undergraduate Education: Washington University, St. Louis (2012)
Medical School: Stanford (2019)

Lydia Bernhardt, MDLydia Bernhardt, M.D.

Undergraduate Education: Johns Hopkins University (2014)
Medical School: Johns Hopkins University (2019)

Landon Hansen, MD, PhDLandon Hansen, M.D., Ph.D.

Undergraduate Education: Brigham Young University (2011)
Medical School: Duke University (2019)

Yuanxuan Xia, MDYuanxuan Xia, M.D.

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


Postgraduate Year 1

Dr. AhmedKarim Ahmed, M.D.

Undergraduate Education: University of Notre Dame
Medical School: Johns Hopkins University

Dr. IshidaWataru Ishida, M.D.

Undergraduate Education: University of Tokyo
Medical School: University of Tokyo Faculty of Medicine

Dr. KhalifehJawad Khalifeh, M.D.

Undergraduate Education: American University of Beirut
Medical School: Washington University in St. Louis School of Medicine

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