Clinical & Translational Research

Peter U. Fischer, PhD
Professor of Medicine
- Phone: 314-454-7876
- Fax: 314-454-5293
- Email: pufische@wustl.edu
Dr. Fischer specializes in basic and translational sciences to support the control and elimination of neglected tropical diseases, with a special focus on helminths.

Victoria J. Fraser, MD
Adolphus Busch Professor of Medicine and Chair of the Department of Medicine
- Phone: 314-362-8061
- Fax: 314-362-8015
- Email: vfraser@wustl.edu
Dr. Fraser specializes in clinical, with a special focus on Hospital Epidemiology and Infection Prevention and Antimicrobial Resistance and Stewardship.

Sumanth Gandra, MD, MPH
Associate Professor of Medicine
- Phone: 314-454-8276
- Fax: 314-454-5392
- Email: gandras@wustl.edu
Dr. Gandra specializes in clinical and public health research with a special focus on antibiotic use, antibiotic resistance surveillance and healthcare epidemiology in resource limited settings especially in India.
Languages: English,Telugu, Hindi

Elvin H. Geng, MD, MPH
Professor of Medicine
- Email: elvin.geng@wustl.edu
Using the lens of implementation science, Dr. Geng conducts research to advance the use of evidence-based interventions in the public health response to HIV and non-communicable diseases.

Ige A. George, MD, MS
Associate Professor of Medicine
- Phone: 314-454-8354
- Fax: 314-454-5392
- Email: igeorge@wustl.edu
Ige George, MD is the director of the infectious diseases fellowship program. He specializes in clinical research focused on the epidemiology and treatment of infections in the immune compromised hosts and solid organ transplant recipients. He also serves as the TB physician for the St. Louis City TB and Refugee Clinic.

Michael J. Hendrix, MD
Assistant Professor of Medicine
- Email: mhendrix@wustl.edu
Dr. Hendrix specializes in antimicrobial stewardship and clinical infectious disease with a special focus on COVID-19 and bone marrow transplant (BMT) recipients.

Donald L Hong, MD
Assistant Professor of Medicine
- Email: dlhong@wustl.edu
Dr. Hong specializes in HIV and STI care, HIV prevention, and public health, with a special focus on outpatient HIV care, HIV PrEP implementation, inpatient outcomes for syphilis treatment, and community education regarding STI diagnosis and treatment.

Kevin Hsueh, MD
Associate Professor of Medicine
- Phone: 314-454-8224
- Fax: 314-454-5392
- Email: khsueh@wustl.edu
Dr. Hsueh specializes in Antimicrobial Stewardship and Infection Prevention, with special focus on practical design and implementation of healthcare quality and safety improvement interventions.

Juliet Iwelunmor, PhD
Professor of Medicine
- Email: ijuliet@wustl.edu
A passionate advocate for health equity and sustainability, Dr. Iwelunmor is widely regarded for understanding how to make evidence-based interventions last, reshaping the focus on community engagement using participatory research, improving the dissemination of health information, while amplifying the voices of young people in health interventions.

Nigar Kirmani, MD
Professor of Medicine
- Phone: 314-454-8214
- Fax: 314-454-5392
- Email: nkirmani@wustl.edu

Jennie H. Kwon, DO, MSCI
Associate Professor of Medicine, Section Director, Healthcare Epidemiology & Antimicrobial Stewardship
- Phone: 314-454-8354
- Fax: 314-454-5392
- Email: j.kwon@wustl.edu
Dr. Kwon specializes in clinical and translational research with a focus on antimicrobial resistance and infection prevention.

George B. Kyei, MBChB, PhD
Associate Professor, Departments of Medicine and Molecular Microbiology
- Phone: 314-454-8354
- Fax: 314-454-5392
- Email: gkyei@wustl.edu
Dr. Kyei specializes in HIV basic and translational research, with a special focus on viral latency and reactivation specifically: (i) characterization of factors that control HIV replication in macrophages, dendritic and resting T cells and (ii) identification of cellular factors and small molecules required for HIV reactivation in latently infected cell and (iii) perspectives of HIV patients on HIV cure.

Steven J. Lawrence, MD, MSc
Professor of Medicine
- Phone: 314-454-8225
- Fax: 314-454-5392
- Email: slawrenc@wustl.edu
Dr. Lawrence’s research interests focus on the human immune response to viral infections and vaccines, the epidemiology of infections in solid organ and stem cell transplant recipients, and public health preparedness for pandemic COVID-19, Delta and other variants, pandemic influenza and bioterrorism events.

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.

Julia López, PhD, MPH, LCSW
Assistant Professor of Medicine
- Phone: 314-454-8249
- Email: julialopez@wustl.edu
Dr. López is a public health researcher who uses her clinical practice skills to further advance the field of sexual health using public health and social work theories and frameworks.

Laura Marks, MD, PhD
Assistant Professor of Medicine
Dr. Marks specializes in clinical infectious diseases with a special focus on infectious complications in people who inject drugs.

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.

Caline Mattar, MD
Associate Professor of Medicine
- Phone: 314-454-8354
- Fax: 314-454-5392
- Email: cmattar@wustl.edu
Dr. Mattar’s interest is in healthcare epidemiology and global health, more specifically in infection prevention in resource limited settings. Additionally, her current work involves bloodtsream and endovascular infections.

Madeline McCrary, MD
Assistant Professor of Medicine (Sept 2023)
- Email: mccrary@wustl.edu
Dr. McCrary specializes in clinical infectious diseases and addiction medicine with a special focus on the infectious complications of substance use, such as Hepatitis C and Serratia endocarditis, and related quality improvement initiatives.

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.