Research Faculty
![Peter Brunner, PhD](https://neurosurgery.wustl.edu/wp-content/uploads/2020/08/Peter-Brunner-280x386.jpg)
Peter Brunner, PhD
Associate Professor of Neurosurgery and Biomedical Engineering
- Phone: 314-273-8310
- Email: pbrunner@wustl.edu
![Hong Chen, PhD](https://neurosurgery.wustl.edu/wp-content/uploads/2023/04/Hong-Chen-PhD-280x386.jpg)
Hong Chen, PhD
Associate Professor, Biomedical Engineering and Neurosurgery
- Phone: 314-935-3954
- Email: hongchen@wustl.edu
![Gabriel Haller, PhD](https://neurosurgery.wustl.edu/wp-content/uploads/2020/05/Gabe-Haller-280x386.jpg)
Gabriel Haller, PhD
Assistant Professor of Neurosurgery, Neurology and Genetics
- Phone: 314-273-7997
- Email: ghaller@wustl.edu
![Caroline H. Ko, PhD](https://neurosurgery.wustl.edu/wp-content/uploads/2023/02/Caroline-Ko-PhD-280x386.jpeg)
Caroline H. Ko, PhD
Associate Research Professor, Neurosurgery
Associate Director, Research Strategy and Clinical Translation, Brain Tumor Center
- Email: ko.c@wustl.edu
![Ismael Seáñez, PhD](https://neurosurgery.wustl.edu/wp-content/uploads/2021/02/DSCF8250-Edit-280x386.jpg)
Ismael Seáñez, PhD
Assistant Professor, Biomedical Engineering and Neurosurgery
- Phone: 314-935-7665
- Email: ismaelseanez@wustl.edu
![Alexander H. Stegh, PhD](https://neurosurgery.wustl.edu/wp-content/uploads/2022/07/Alexander-Stegh-PhD-280x386.jpg)
Alexander H. Stegh, PhD
Professor of Neurosurgery
Vice-Chair of Research, Department of Neurosurgery
Research Director, Brain Tumor Center
- Email: stegh@wustl.edu