Department Leadership

Dennis E. Hallahan, MD, FASTRO
Elizabeth H. and James S. McDonnell III Distinguished Professor of Medicine
Chair, Department of Radiation Oncology
- Phone: 314-362-9700
Executive Assistant: Jeanne Silvestrini (j.silvestrini@wustl.edu)

Geoffrey Hugo, PhD
Professor of Radiation Oncology
Director of Medical Physics Division
- Phone: 314-362-2639
- Email: gdhugo@wustl.edu
Executive Assistant: Jennifer McDermott (boemerj@wustl.edu)

Jeff M. Michalski, MD, MBA, FASTRO
Carlos A. Perez Distinguished Professor
Vice Chair and Director of Clinical Programs
- Phone: 314-362-8566
Executive Assistant: Gayle Bumb (gbumb@wustl.edu)

Julie K. Schwarz, MD, PhD
Professor of Radiation Oncology, Vice-Chair, Research, Cancer Biology Division Director
- Phone: 314-273-0275
Executive Assistant: Kathy Hentrich (k.hentrich@wustl.edu)