Faculty
Executive Team
Gregory B. Saathoff, MD
Founding Executive Director
Daniel A. Griffith, DHA, MBA
Chief Operating Officer
Andrew E. Muck, MD
Executive Director
Division Heads
Christopher P. Holstege, MD
Toxicology
Natalie F. Reynolds, MD
Disaster Response Training
Brendan T. Byrne, MD
Threat Assessment and Management
William J. Brady, MD
Emergency Medicine
Peter J. Vandersteenhoven, MD
Mass Casualty Management
Daniel A. Griffith, DHA, MBA
Disaster and Mass Casualty Forensics
Executive Director
Andrew E. Muck, MD, MBA
Dr. Muck was appointed Chair of UVA’s Department of Emergency Medicine in 2024. Previous experience includes professor in Emergency Medicine at the University of Texas Health Science Center at San Antonio and serving as a Critical Care Air Transport Physician in the U.S. Air Force. Dr. Muck has overseen large clinical programs and medical education initiatives, contributing to both patient care and the training of future physicians. His background spans military service, academic medicine, and healthcare leadership.