People
Meet our dedicated team of directors, researchers, clinicians, administrators, and students working together to advance neurosurgical care.
Directors

Nitin Agarwal, M.D.
Associate Professor, Neurological Surgery
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- • Associate Professor of Neurological Surgery and Bioengineering
- • Director, Minimally Invasive Spine and Robotics Surgery
- • Associate Program Director, Neurological Surgery Residency
- • Co-Director, Complex and Minimally Invasive Spine Deformity Fellowship

D. Kojo Hamilton, M.D.
Professor, Neurological Surgery
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- • Professor of Neurological Surgery
- • Director, UPMC Neurosurgical Spine Services
- • Director, Neurosurgery Residency Training Program
- • Co-Director, Spine Fellowship Program
Research Fellows

Ayesha Waheed, M.B.B.S.
Principal Research Fellow
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Ayesha is a principal research fellow at SCOLI, studying cervical myelopathy and pursuing ML practices in her research. Outside of work, she's an active tennis player and fantastic singer. She serves as Intern Program Director and is a leader in neurosurgery who continues to impress.

Samuel Wakelin, B.S.
Senior Research Fellow
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Sam is a research fellow in SCOLI and a medical student at Georgetown University. He is passionate about using statistical and ML models to discover hidden trends.

Serhat Aydin, M.D.
Research Fellow

Mardi Celli, M.P.H.
Clinical Research Coordinator & Student Outreach Coordinator
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Mardi holds an MPH in Behavioral Health and Community Services and a BA in Anthropology. She serves as both Clinical Research Coordinator and Student Outreach Coordinator, bridging the gap between research initiatives and educational opportunities within SCOLI.

Ben Carnovale, B.S.
Junior Research Fellow
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Ben is a research fellow in SCOLI and a medical student at the University of Pittsburgh. He's been with us since 2023 and continues to change the neurosurgical field.

Janam Patel, B.S.
Junior Research Fellow
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Janam is a research fellow in SCOLI and is focusing on spinal cord injury treatments and procedures. He will be a medical student at the University of Pittsburgh School of Medicine.
Clinicians

Qazi Zeeshan, M.D., M.S.
Postgraduate NSGY Fellow
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Dr. Qazi Zeeshan received his medical degree from the Institute of Medical Science and completed his residency at King George's Medical University, followed by fellowships at Harborview Medical Center, SUNY University at Buffalo, and Mayo Clinic.

Joseph Hudson, M.D.
PGY-7 NSGY Resident
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Joined the University of Pittsburgh Department of Neurological Surgery residency program in July 2019 after graduating with research distinction from the University of Iowa. Currently a CAST and AO spine accredited complex and minimally invasive spine fellow and founder/CEO of BioForce Spine LLC.

Andrew Legarreta, M.D.
PGY-7 NSGY Resident
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Joined the University of Pittsburgh Department of Neurological Surgery residency program in July 2019 after earning his medical degree from Vanderbilt University. Focuses on minimally invasive spine surgery and machine learning applications in spine surgery.

Hansen Deng, M.D.
PGY-7 NSGY Resident
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Joined the University of Pittsburgh Department of Neurological Surgery residency program in July 2019. Graduated with distinction from UCSF School of Medicine. Research focuses on traumatic brain injury biomarkers and genetic factors in neurotrauma.

David McCarthy, M.D.
PGY-6 NSGY Chief Resident
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Joined the University of Pittsburgh Department of Neurological Surgery residency program in July 2020 after graduating from the University of Miami Miller School of Medicine.

Jeffery Head, M.D.
PGY-6 NSGY Chief Resident
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Joined the University of Pittsburgh Department of Neurological Surgery residency program in July of 2020. He graduated from Colgate University in 2012 with honors in cellular neuroscience.

Anthony Schulien, M.D.
PGY-5 NSGY Resident
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Joined the University of Pittsburgh Department of Neurological Surgery residency program in July of 2021. He completed the five-year Physician Scientist Training Program (PSTP), and was awarded The Theodore Kurze, MD, award for Excellence in Neurological Surgery and Clinical Neurosciences.

Abigail Crum, PA-C
NSGY Physician Assistant
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Specializes in neurosurgery and is a certified physician assistant by the National Commission on Certification of Physician Assistants. She practices at UPMC Neurological Institute – Presbyterian.

Nicholas Grice, PA-C
NSGY Physician Assistant
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Specializes in neurosurgery and is a certified physician assistant by the National Commission on Certification of Physician Assistants. He practices at UPMC Neurological Institute – Presbyterian and UPMC Shadyside.
Administrators

Melissa Lukehart
GME Academic Manager

Karen Hlavac
Administrative Coordinator

Gloria Lee
Grant Administrator
Clinical Coordinators

Meredith Anderson, BSN
Nurse Coordinator II

Erin Modrick, RN
Nurse Coordinator I

Lane Blackwood
Scheduling Coordinator
Students

Aditi Choudhary, B.A.
Master in Public Health (MPH) Student
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Studying public health and observing how systemic factors influence patient outcomes inspired a deeper interest in neurosurgery—where population-level insights can directly inform precision care for complex neurological disorders.

Taim Aizooky, B.S.
Student
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Medical student at the University of Pittsburgh School of Medicine intending to pursue a career in neurosurgery. Passionate about drug interaction and the intersection between medicine and humanity.

Zachary Spears, B.S.
Student
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Medical Student at the University of Pittsburgh School of Medicine. Involved in surgical hardware tools and procedures.

Armani Manov
Student, Media Specialist
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Studies at the University of Pittsburgh with a deep passion for research and discovery. Interested in intersecting computational biology and AI/ML with neurosurgery.

Zayaan Tirmizi
Student
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Undergraduate student at the University of Pittsburgh, majoring in Neuroscience with a Minor in History. He has research interests in AI applications within surgery, socioeconomic health disparities, and nutritional factors affecting patient outcomes.

Shaunak Patil
Student
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Undergraduate student at the University of Pittsburgh, majoring in Molecular Biology. Passionate about research in spine deformities, AI applications in neurosurgery, and traumatic brain injuries. Enjoys backpacking and traveling.
Alumni

James Mooney, M.D.
Former Postgraduate NSGY Fellow
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Previously specialized in neurosurgery. Practiced at University of Pittsburgh Physicians, Department of Neurosurgery and was affiliated with UPMC Presbyterian and UPMC Shadyside.

Ricardo Fernandez-de Thomas, M.D.
Former PGY-7 NSGY Resident
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Born and raised in San Juan, Puerto Rico. Previously completed neurosurgery residency training. Outside of medicine, Ricardo enjoys spending time with family and friends, playing baseball, softball, practicing martial arts, tennis, volleyball, weight lifting, and outdoor activities.

Gautam Nayar, M.D.
Former PGY-7 NSGY Resident
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Previously completed the University of Pittsburgh Department of Neurological Surgery residency program. Although raised in Pittsburgh, Dr. Nayar moved to Gainesville, Fla. for high school and college before returning for residency training.

Raj Swaroop Lavadi, M.D.
PGY-1 Neurosurgery Resident at Indiana University School of Medicine
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Dr. Raj Lavadi previously worked at University of Pittsburgh School of Medicine in SCOLI. His research focused on personalized spine care and using advanced imaging to identify TBI biomarkers.

Rida Mitha, M.D.
PGY-1 Neurosurgery Resident at AHN
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Dr. Rida Mitha previously worked in Neurological Surgery at University of Pittsburgh School of Medicine, studying Neurotrauma, Neurophysiology, Spine and Healthcare Disparities.

Rohit Prem Kumar, M.D.
PGY-1 Neurosurgery Resident at University of Pittsburgh School of Medicine
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Rohit Kumar was previously a research fellow in SCOLI and is a biology graduate from New Jersey Institute of Technology. His research focused on using big data to improve neurosurgical outcomes.

William Rabon, B.S.
Medical Student at UNC School of Medicine
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Neuroscience graduate from Carnegie Mellon University who previously worked as a research coordinator focusing on sports medicine, deformity, and TBI research.

Avi Gajjar, M.B.A., B.S.
Medical Student at Albany Medical College
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He graduated summa cum laude from Union College in a combined 8-year BS/MD/MBA, majoring in Political Science and Chemistry, and minoring in Psychology. He also earned his MBA in Healthcare Management while he was at Union. His areas of research interests include cerebrovascular, endovascular, and spinal neurosurgery. Avi is the co-founder of NeurosurGen Inc. (www.NeurosurGen.com), a project that aims to compile training lineage for neurosurgeons across the globe. This groundbreaking initiative received significant funding from the National Research and Education Foundation (NREF), enabling the establishment of NeurosurGen Inc. He was born and raised in Philadelphia, Pennsylvania. He is also an Eagle Scout and enjoys spending time outdoors kayaking, camping, biking, and skiing.

Galal A. Elsayed, M.D.
Former Postgraduate NSGY Fellow
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Dr. Elsayed is an award-winning neurosurgeon with advanced fellowship training in endoscopic, minimally invasive, and complex reconstructive spine surgery. He completed his medical degree at the University of Central Florida and neurosurgery residency at the University of Alabama at Birmingham, followed by fellowship training at Washington University in St. Louis. He is currently Assistant Professor of Neurological Surgery at Weill Cornell Medicine and practices at Och Spine at NewYork-Presbyterian Queens.

Manan J. Shah, M.D.
Former Postgraduate NSGY Fellow
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Dr. Shah received his medical degree from Rutgers New Jersey Medical School, where he was inducted into the Alpha Omega Alpha Honor Medical Society. He completed neurosurgery residency training at Wayne State University and Rutgers NJMS/RWJBarnabas Health, followed by a fellowship in Complex and Minimally Invasive Spine Deformity Surgery at the University of Pittsburgh School of Medicine. He also completed an AO Spine Fellowship and obtained the AO Global Spine Diploma.