Clinical Division
![Wade L. Thorstad, MD](https://radonc.wustl.edu/files/2018/07/wadethorstad-2itpjg3-280x386.jpg)
Wade L. Thorstad, MD
Professor of Radiation Oncology
Chief, Head and Neck Cancer Service
- Phone: 314-362-8516
Executive Assistant: Estella Scott (eascott@wustl.edu)
![Gregory R. Vlacich, MD, PhD](https://radonc.wustl.edu/files/2018/07/gregoryvlacich-255v1df-280x386.jpeg)
Gregory R. Vlacich, MD, PhD
Associate Professor of Radiation Oncology
Clinical Director for Satellite Operations
Medical Director of Radiation Oncology, Alton Memorial Hospital
- Phone: 314-362-8610
Executive Assistant: Steve Paglusch (steven.paglusch@wustl.edu)
![Michael Waters, MD, PhD](https://radonc.wustl.edu/files/2024/07/Waters-Michael_RadOnc_01_cropped_web-280x386.jpg)
Michael Waters, MD, PhD
Assistant Professor of Radiation Oncology
Executive Assistant: Leigh Ann Zupan (lzupan@wustl.edu)
![Joanna C. Yang, MD, MPH](https://radonc.wustl.edu/files/2021/02/Yang-Joanna_Rad-Onc_04_web-280x386.jpg)
Joanna C. Yang, MD, MPH
Associate Professor of Radiation Oncology
Chief, Leukemia and Lymphoma Service
Director, Clinical Residency Program
- Phone: 314-362-8610
Executive Assistant: Christina Mossinghoff (cmossinghoff@wustl.edu)
![Imran Zoberi, MD](https://radonc.wustl.edu/files/2018/07/imranzoberi-22i8mw1-280x386.jpg)
Imran Zoberi, MD
Professor of Radiation Oncology
Medical Director of Radiation Oncology, Siteman Cancer Center at Barnes-Jewish West County Hospital
- Phone: 314-362-8610
Executive Assistant: Nicole Castleberry (nicole.c@wustl.edu)