| Department Chair |
James Metz, MD |
| Executive Vice Chair |
Alexander Lin, MD |
| Vice Chair, Biology |
Theresa Busch, PhD |
| Vice Chair, Clinical Affairs |
Michelle Alonso-Basanta, MD, PhD |
| Vice Chair, Education |
Neha Vapiwala, MD |
| Vice Chair, Physics |
Kevin Teo, PhD |
| Vice Chair, Proton Therapy & Technical Development |
Jeff Bradley, MD |
| Vice Chair, Research |
Costas Koumenis, PhD |
| Vice Chair, Strategic Clinical Research |
John Plastaras, MD, PhD |
| Vice Chair, Translational Research |
Edgar Ben-Josef, MD |
| Vice Chair, Regional Operations |
Ben Goldsmith, MD |
| Vice Chair, Quality & Safety |
Suneel Nagda, MD |
| Chief Operating Officer |
Fabian Marechal, MS |
| Chief Financial Officer |
Daniel Baselice |
| Chief of Staff |
Lora Furman, MS |