Residents
![Diane Aum, MD](https://neurosurgery.wustl.edu/wp-content/uploads/2021/12/DSCF2030-Edit-280x386.jpg)
Diane Aum, MD
PGY7 Resident
MD, Washington University School of Medicine
BS, University of California, Berkeley
Hometown: Groton, MA
![Ajay Chatrath, MD, PhD](https://neurosurgery.wustl.edu/wp-content/uploads/2022/07/Ajay-Chatrath-MD-PhD-280x386.jpg)
Ajay Chatrath, MD, PhD
PGY3 Resident
MD, PhD University of Virginia School of Medicine
MS, Johns Hopkins University
Hometown: Bourbonnais, IL
![Ryan Cleary, MD](https://neurosurgery.wustl.edu/wp-content/uploads/2021/11/DSCF8287-Edit-1-280x386.jpg)
Ryan Cleary, MD
PGY7 Resident
MD, Saint Louis University School of Medicine
BS, Boston College
Hometown: Boston, MA
![Michelle Connor, MD](https://neurosurgery.wustl.edu/wp-content/uploads/2021/12/DSCF3044_3-280x386.jpg)
Michelle Connor, MD
PGY5 Resident
MD, Keck School of Medicine of University of Southern California
BS, Vanderbilt University
Hometown: St. Charles, IL
![Andrew Coxon, MD, MSCI](https://neurosurgery.wustl.edu/wp-content/uploads/2023/06/Andrew-Coxon-MD-280x386.jpg)
Andrew Coxon, MD, MSCI
PGY2 Resident
MD, MSCI Washington University School of Medicine
BS, University of Pittsburgh
Hometown: San Francisco, CA
![Ashley Dunbar, MD](https://neurosurgery.wustl.edu/wp-content/uploads/2021/12/DSCF2006-Edit-280x386.jpg)
Ashley Dunbar, MD
PGY4 Resident
MD, Frank H. Netter MD School of Medicine at Quinnipiac University
BS, Yale University
Hometown: Hillsborough, NJ
![Charise Garber, MD, PhD](https://neurosurgery.wustl.edu/wp-content/uploads/2021/12/DSCF6801_3-280x386.jpg)
Charise Garber, MD, PhD
PGY5 Resident
MD/PhD, Washington University School of Medicine
BS, Eastern Mennonite University
Hometown: Lancaster, PA
![David Giles, MD, PhD](https://neurosurgery.wustl.edu/wp-content/uploads/2021/12/DSCF7234-Edit-280x386.jpg)
David Giles, MD, PhD
PGY5 Resident
MD/PhD, University of Michigan
BS, Washington University in St. Louis
Hometown: Portland, OR
![Sean Gupta, MD](https://neurosurgery.wustl.edu/wp-content/uploads/2021/12/DSCF8729-280x386.jpg)
Sean Gupta, MD
PGY6 Resident
MD, Columbia University, Vagelos College of Physicians & Surgeons
BA, Dartmouth College
Hometown: Sterling, VA
![Rowland Han, MD](https://neurosurgery.wustl.edu/wp-content/uploads/2021/12/DSCF2384-Edit-280x386.jpg)
Rowland Han, MD
PGY7 Resident
MD, Washington University School of Medicine
BS, University of Pennsylvania
Hometown: St. Louis, MO