Key Faculty & Specific Research Interests

Portrait of Stephen Y. Liang, MD, MPHS

Stephen Y. Liang, MD, MPHS

Professor of Medicine, Emergency Medicine, and Public Health

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.

Portrait of Caline Mattar, MD

Caline Mattar, MD

Professor of Medicine and Public Health

Dr. Mattar is the section chief for General Infectious Disease and the Associate Program Director of the ID Fellowship Program. As ID Fellowship core faculty, she also serves as Director of Global Health Track. Dr. Mattar’s research focuses on infection prevention and antimicrobial stewardship as well as global health with a specific focus on resource-limited settings and health policy.

Eugenia Miranti, MD, MPH

Eugenia Miranti, MD, MPH

Assistant Professor of Medicine, Associate Medical Director of WashU Infection Prevention

Eugenia Miranti, MD, MPH is an associate medical director of WashU Infection Prevention and a clinical assistant professor of medicine. As a core faculty member of the Infectious Diseases Fellowship Training Program, she serves as Director of the Hospital Epidemiology Track.

Portrait of Margaret A. Olsen, PhD, MPH

Margaret A. Olsen, PhD, MPH

Statistical Data Analyst III

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.

Portrait of Sena Sayood, MD

Sena Sayood, MD

Assistant Professor of Medicine

Dr. Sayood performs clinical research with a specific focus on antimicrobial stewardship and clinical decision support. As a core faculty member of the ID Fellowship Training Program, Dr. Sayood is the Director of the Antimicrobial Stewardship Track.

Portrait of Barbara W.  Trautner, MD, PhD

Barbara W. Trautner, MD, PhD

Gerald and Judith Medoff Professor of Infectious Diseases, Professor of Medicine, Co-Chief, Infectious Diseases Division

Dr. Trautner’s research focuses on diagnostic and antibiotic stewardship, particularly for urinary tract infections (UTIs). She has led trials to disseminate successful antibiotic stewardship interventions, improve the diagnosis and treatment of UTIs in men, develop bacteriophage therapy for UTIs in individuals with spinal cord injuries, and to reduce overdiagnosis of catheter-associated UTI.

Portrait of M. Cristina Vazquez Guillamet, MD

M. Cristina Vazquez Guillamet, MD

Associate Professor of Medicine

Dr. Vazquez Guillamet is a core faculty member of the ID Fellowship Program, serving as Director of the ID/Critical Care Pathway. Her main research interest is in infections caused by multi-drug resistant microbes in critically ill patients. She applies new methods to better stratify and predict the epidemiology, trajectories and outcomes of ICU patients at risk for MDR pathogens.