Divisions
![Yao Hao, PhD](https://radonc.wustl.edu/files/2019/08/HaoYao_LowRes-280x386.jpg)
Yao Hao, PhD
Associate Professor of Radiation Oncology
Chief of Image Services
- Phone: 314-273-2987
- Email: yaohao@wustl.edu
![Jiayi Huang, MD, MSCI](https://radonc.wustl.edu/files/2018/07/jiayihuang-1svwqh7-280x386.jpeg)
Jiayi Huang, MD, MSCI
Professor of Radiation Oncology
Chief, CNS/Gamma Knife Service
Co-director, Brain Tumor Center at Siteman Cancer Center
- Phone: 314-273-2931
Executive Assistant: Christina Barr (barrchristina@wustl.edu)
![Geoffrey Hugo, PhD](https://radonc.wustl.edu/files/2018/07/Hugo-2cy8mhx-280x386.jpg)
Geoffrey Hugo, PhD
Professor of Radiation Oncology
Vice Chair of Medical Physics
- Phone: 314-362-2639
- Email: gdhugo@wustl.edu
Executive Assistant: Jennifer McDermott (boemerj@wustl.edu)
![Vaishali Kapoor, PhD](https://radonc.wustl.edu/files/2019/08/KapoorV-72-280x386.jpg)
Vaishali Kapoor, PhD
Assistant Professor of Radiation Oncology
- Phone: 314-362-9914
- Email: vkapoor@wustl.edu
![Sana Karam, MD, PhD](https://radonc.wustl.edu/files/2024/09/SKaram-Headshot_web-280x386.jpg)
Sana Karam, MD, PhD
James S. McDonnell Professor of Radiation Oncology
Chair, Department of Radiation Oncology
Executive Assistant: Kenzie Jenkins (kenzie@wustl.edu)
![Hyun Kim, MD](https://radonc.wustl.edu/files/2017/10/Kim_Hyun_RadOnc_22_Crop_web-280x386.jpg)
Hyun Kim, MD
Associate Professor of Radiation Oncology
Chief, Gastrointestinal Service
Chief, MR-Guided Radiotherapy
- Phone: 314-362-8567
Executive Assistant: Amy Akers (akersa@wustl.edu)
![Taeho Kim, PhD, DABR, DABMP(MRI)](https://radonc.wustl.edu/files/2019/03/Kim-Taeho_RadOnc_web-1axw114-280x386.jpg)
Taeho Kim, PhD, DABR, DABMP(MRI)
Professor of Radiation Oncology
Chief, SRS Medical Physics Services (Lead GK AMP)
- Phone: 314-273-3316
- Email: taehokim@wustl.edu
![Nels Knutson, PhD](https://radonc.wustl.edu/files/2018/07/nelsknutson-1gs4kxn-280x386.jpg)
Nels Knutson, PhD
Associate Professor of Radiation Oncology
Chief, Clinical Medical Physics
- Phone: 314-362-2639
- Email: nknutson@wustl.edu
Executive Assistant: Jennifer McDermott (boemerj@wustl.edu)
![Susan Laduzinsky, MD](https://radonc.wustl.edu/files/2018/08/Ladusinsky-2dgnj8w-280x386.jpeg)
Susan Laduzinsky, MD
Assistant Professor of Radiation Oncology
Medical Director of Radiation Oncology, Siteman Cancer Center at Memorial Hospital East
Executive Assistant: Christina Barr (barrchristina@wustl.edu)
![Eric Laugeman](https://radonc.wustl.edu/files/2018/07/Laugeman-1vsb4g6-280x386.jpg)
Eric Laugeman
Clinical Staff Physicist
Chief, Adaptive RT Physics
- Phone: 314-362-2639
- Email: elaugeman@wustl.edu
![Jason Lee, MD, PhD](https://radonc.wustl.edu/files/2018/08/Jason-Lee-rbrk3i-280x386.jpeg)
Jason Lee, MD, PhD
Associate Professor of Radiation Oncology
Executive Assistant: Christina Barr (barrchristina@wustl.edu)
![Hua Li, PhD, DABR](https://radonc.wustl.edu/files/2021/10/Li_Hua-2021_web-280x386.jpg)
Hua Li, PhD, DABR
Professor of Radiation Oncology
- Email: li.hua@wustl.edu
Executive Assistant: Alice Canavan (canavana@wustl.edu)
![Zhi Hong Lu, PhD](https://radonc.wustl.edu/files/2020/03/Lu-Zhi-Hong_RadOnc_Web-280x386.jpg)
Zhi Hong Lu, PhD
Assistant Professor of Radiation Oncology
- Phone: 314-362-3236
- Email: zhihonglu@wustl.edu
![Mustafaa Mahmood, MD](https://radonc.wustl.edu/files/2024/10/Mahmood-Mustafaa_RadOnc_05_web-280x386.jpg)
Mustafaa Mahmood, MD
Assistant Professor of Radiation Oncology
- Phone: 314-747-4405
Executive Assistant: Steve Paglusch (steven.paglusch@wustl.edu)
![Stephanie Markovina, MD, PhD](https://radonc.wustl.edu/files/2018/07/stephaniemarkovina-29s4p0d-280x386.jpeg)
Stephanie Markovina, MD, PhD
Associate Professor of Radiation Oncology
- Phone: 314-747-1786
Executive Assistant: Lena Zein (lena.a@wustl.edu)
![Nichole M. Maughan, PhD, MS](https://radonc.wustl.edu/files/2020/02/Maughan-Nichole_RadOnc_web-280x386.jpg)
Nichole M. Maughan, PhD, MS
Assistant Professor of Radiation Oncology
- Phone: 314-749-8759
- Email: maughan.nichole@wustl.edu
![Thomas Mazur, PhD](https://radonc.wustl.edu/files/2018/07/thomasmazur-12ma3h0-280x386.jpg)
Thomas Mazur, PhD
Associate Professor of Radiation Oncology
Chief, SBRT
- Phone: 314-362-2639
- Email: tmazur@wustl.edu