Meet the MedDx Team

Coding & Development

Picture of Garret Pierzchajlo

Garret Pierzchajlo

Lead Developer

Garret is enrolled as a medical student in Mercer University Savannah Campus' Class of 2025. He earned his bachelors in Pre-Professional Biology at Abraham Baldwin Agricultural College, where he served as a research mentor and student governemnt advisor. Garret has a semi-professional programming background, previously working as a freelance computer based app and plugin developer, as well as in medical IT. He plans to persure a career in critical care surgery when he completes his training.

Photo of Zachery Neil

Zachery Neil


Zachery, a first-generation college graduate from Atlanta, earned his Bachelor of Science degree from the University of Georgia in 2019. His collegiate years were punctuated by an unwavering dedication to community service and volunteerism. This academic pursuit segued into a Master of Science degree in Pre-Clinical Sciences from Mercer University School of Medicine, further enhancing his knowledge and clinical acumen. He is currently in his third year at Mercer University School of Medicine in Savannah, GA.

Photo of Noah Pierzchajlo

Noah Pierzchajlo

Lead Designer

Noah is currently a third-year medical student at Mercer University School of Medicine in Savannah, Georgia. He brings a rich research background, including a research internship in 2022 at the Joseph M. Still Research Foundation, Inc., located in Augusta, Georgia. His professional interests gravitate towards the pursuit of a categorical integrated residency position in Plastic and Reconstructive Surgery. This specialty aligns seamlessly with his extensive involvement in clinical research, an area where he has focused on enhancing patient outcomes.

Photo of Nolan Brown

Nolan Brown


Nolan began his academic pursuit at the University of California, Irvine, majoring in Biochemistry and Molecular Biology. A captivating neuroscience course steered him towards a career in neurosurgery. Currently, Nolan is in the midst of a dual MD/MBA program at the same institution, with his interest in neuroscience and neurosurgery deepening under the mentorship of industry veterans. His ambition is to combine his passion for understanding the brain with his drive for patient care.

Research Contributors

Photo of Rohin Singh, M.D.

Rohin Singh, M.D.


Rohin is a PGY-1 resident in neurosurgery. He is a Phoenix native and attended the University of Arizona where he triple majored in Neuroscience, Physiology, and Molecular Biology. He went to medical school at Mayo Clinic Arizona where he served as the president of both the Mission:Brain non-profit and AANS student chapter. He has published extensively across different neurosurgical topics. His interests in neurosurgery are broad and include functional/stereotactic and minimally invasive spine.


Sachiv Chakravarti

Medical Student

Sachiv, an alumnus of Johns Hopkins University, holds a Bachelor of Science degree and is poised to embark on his medical journey at the Mount Sinai School of Medicine. His professional interests are concentrated in the realm of neuro-oncology, specifically in the creation of innovative prognostic tools aimed at refining the healthcare outcomes for patients in this challenging field.

Photo of Jonathan Chi

Jonathan Chi

Medical Student

Jonathan is a first-year University of Rochester combined BS/MD candidate. As a Rochester Early Medical Scholar, he is obtaining a double major in computational biology and bioethics before pursuing his medical degree at the University of Rochester School of Medicine. Jonathan is driven by a passion for clinical research and a vision for a future where innovation in technology transforms the landscapes of healthcare and education.

Photo of Cathleen-Kuo

Cathleen Kuo

Medical Student

Cathleen, a native of Taiwan, brings an international perspective to her medical pursuits. She completed her undergraduate studies at Tulane University and is presently in her fourth year of medical school at the University at Buffalo. She is dedicated to investigating the social determinants of health. Cathleen is also engaged in creating predictive models for neurosurgical outcomes, demonstrating her commitment to improving patient care through data-driven analysis.

Photo of Yusuf

Yusuf Mehkri

Medical Student

Yusuf has been interested in neuro-oncology since his undergraduate years at Carnegie Mellon University. His career goals are to complete training in neurosurgical oncology and to develop a translational research program for the treatment of patients with brain tumors. He also enjoys outcomes-based clinical research, as it provides easy opportunities to push the field forward and improve patient care. Outside of academia, Yusuf is a competitive powerlifter and workout fanatic.

Peyton Matt

Medical Student

Peyton earned her Bachelor's degree in Biological Science and a minor in Nutritional Science from the University of Georgia in 2023, showcasing her leadership and passion for volunteering through various campus leadership positions. Now a first-year medical student at Mercer University School of Medicine in Savannah, GA, Peyton is driven by her passion for healthcare and aims to expand and cultivate her academic and clinical research knowledge during her time in medical school.

Clinical Advisors

Photo of Zach Pennington, M.D.

Zach Pennington, M.D.


Dr. Pennington completed his undergraduate studies in neuroscience at Johns Hopkins University in Baltimore, MD. Following this, he attended Johns Hopkins University School of Medicine, maintaining his association with this institution.. His outstanding contributions earned him the prestigious Harvey Cushing Medical Student Research Award. Zach's research interests currently encompass spinal tumor outcomes and the development of minimally invasive techniques in spinal deformity.

Photo of Mohamad Bydon, M.D.

Mohamad Bydon, M.D.


Dr. Bydon has appointments in the departments of Neurosurgery, Orthopedic Surgery and Health Sciences Research at Mayo Clinic. Currerntly, he serves as the vice director of the National Neurosurgery Quality and Outcomes Database (N2QOD), the largest neurosurgical registry in North America, supported by the American Association of Neurological Surgeons. Additionally, he is a medical director for the Mayo Clinic Neurosurgical Registry and Biobank, a prospective registry of all neurosurgical cases at Mayo Clinic.

Photo of Oren Gottfried, M.D.

Oren Gottfried, M.D.


Dr. Gottfried is a Professor of Neurosurgery, Vice Chair for Clinical and Quality Outcomes at Duke University Department of Neurosurgery. He specializes in the surgical management of all complex cervical, thoracic, lumbar, or sacral spinal diseases by using minimally invasive as well as standard approaches for arthritis or degenerative disease, deformity, tumors, and trauma. Dr. Gottfried aims to improve surgical outcomes for patients and care of all spine patients with active research evaluating clinical and radiological results after spine surgery with multiple prospective databases.

Photo of Michael Lawton, M.D.

Michael Lawton, M.D.


Dr. Lawton is the President and CEO of Barrow Neurological Institute, Robert F. Spetzler Endowed Chair in Neurosciences, and Chair of the Department of Neurosurgery. He is board certified by the American Board of Neurological Surgery. Dr. Lawton’s neurosurgical expertise includes cerebrovascular disorders and skull base tumors. He has experience in treating more than 5,200 brain aneurysms, 1,000 arteriovenous malformations, and 1,000 cavernous malformations, including more than 300 in the brain stem and other highly delicate areas of the brain.

Next-Generation AI Medical Calculators

© 2024 Med Dx Technology, LLC