Key Faculty & Specific Research Interests
Stephen Y. Liang, MD, MPHS
Associate Professor of Medicine
- Phone: 314-454-8354
- Fax: 314-454-5392
- Email: syliang@wustl.edu
Dr. Liang’s primary research interests include trauma-related infections, orthopedic infections, device-associated infections, and management of infectious diseases and infection prevention in emergency care settings.
Jonas Marschall, MD
Professor of Medicine
- Phone: (314) 454-8354
- Email: jmarscha@wustl.edu
Dr. Marschall specializes in clinical and epidemiological research in infectious diseases, with a focus on healthcare-associated infections. His research has mostly been on bloodstream infections, urinary tract infections, and surgical site infections. He attends patients on the inpatient consult service at Barnes-Jewish Hospital.
Jay R. McDonald, MD
Associate Professor of Medicine
- Phone: 314-454-8354
- Fax: 314-454-5392
- Email: jay.mcdonald1@va.gov
Dr. McDonalds’s interests are in hospital epidemiology, health care-associated infections, bacterial endocarditis, Clostridium difficile-associated diarrhea, surgical site infections, health services research and using administrative data to answer clinical questions.
Margaret A. Olsen, PhD, MPH
Statistical Data Analyst III
- Phone: 314-454-8215
- Fax: 314-454-5392
- Email: molsen@wustl.edu
Dr. Olsen’s primary research interests involve the epidemiology of hospital-acquired infections, particularly surgical site infection, and the use of administrative and claims data to study surgical complications.
Nongnooch Poowanawittayakom, MD
Assistant Professor of Medicine
- Email: nongnooch@wustl.edu
Dr. Poowanawittayakom interests are in bone and joint infection, infection prevention/control, hepatitis C, emerging infectious diseases, and global health.
Sena Sayood, MD
Assistant Professor of Medicine
- Phone: 314-454-8254
- Email: sjsayood@wustl.edu
Dr. Sayood performs clinical research with a specific focus on antimicrobial stewardship and clinical decision support.
Abby Sung, MD
Assistant Professor of Medicine (PEFA)
- Email: ASUNG@WUSTL.EDU
Dr. Sung recently completed a two year fellowship in ID. She will continue to stay on in ID to continue her work on outpatient infection prevention, occupational health and medical education.
Why did you choose WashU for your ID fellowship?
I chose WUSM for fellowship training because of: the flexibility in career paths (very accommodating for people who don’t know what specific realm of ID they want to pursue), the abundant research opportunities, the awesome people, being able to walk to work, the giant hospital with its wide array of disease pathology and large referral radius.
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.