Key Faculty & Specific Research Interests
![Thomas C. Bailey, MD](https://infectiousdiseases.wustl.edu/wp-content/uploads/2016/05/thomas_bailey-280x386.jpg)
Thomas C. Bailey, MD
Professor of Medicine
- Phone: 314-454-8354
- Fax: 314-454-5392
- Email: tbailey@wustl.edu
Research Interest: Information technology to improve healthcare quality.
![Courtney Chrisler, MD](https://infectiousdiseases.wustl.edu/wp-content/uploads/2016/05/courtney_chrisler-280x386.jpg)
Courtney Chrisler, MD
Assistant Professor of Medicine
- Phone: 314-454-8354
- Fax: 314-454-5392
- Email: cchrisler@wustl.edu
Dr. Chrisler specializes in general infectious diseases with a focus on management of acutely hospitalized patients, clinical education, and patient safety and quality improvement.
![William Dunagan, MD, MS](https://infectiousdiseases.wustl.edu/wp-content/uploads/2016/05/william_c_dunagan-280x386.jpg)
William Dunagan, MD, MS
Professor of Medicine
- Phone: 314-454-8215
- Fax: 314-454-5392
- Email: cdunagan@bjc.org
Dr. Dunagan’s primary research focus is in the assessment and improvement of healthcare quality, with a particular emphasis on patient safety research, medical informatics and infection prevention.
![David K. Warren, MD, MPH](https://infectiousdiseases.wustl.edu/wp-content/uploads/2016/05/Warren-David_ID__2023-HS-280x386.jpg)
David K. Warren, MD, MPH
Professor of Medicine
- Phone: 314-454-8225
- Fax: 314-454-5392
- Email: dwarren@wustl.edu
Dr. Warren specializes in clinical research in Hospital Epidemiology and Infection Prevention, with a special focus on the epidemiology and prevention of device-related infections and surgical site infections, plus improving diagnostic stewardship of microbiological testing to accurately diagnose infectious diseases.