Department Leadership

David A. Hunstad, MD
Professor of Pediatrics, Infectious Diseases
Division Director, Infectious Diseases
Professor, Molecular Microbiology
Vice Chair of Basic and Translational Research, Pediatrics
Scientific Director, Children’s Discovery Institute
Arnold W. Strauss, MD Endowed Professor for Mentoring
- Phone: (314) 454-6050

Katherine Krajcovic, EdD, MBA, PMP, SHRM-SCP
Executive Director, Clinical Affairs & Business Operations

Lisa M. Moscoso, MD, PhD
Professor of Pediatrics, Hospitalist Medicine
Division Director, Hospitalist Medicine

Kevin O'Bryan, MD
Associate Professor of Pediatrics, Hospitalist Medicine
Vice Chair, Clinical Informatics
Chief Medical Information Officer, SLCH
- Phone: 314-454-2076

Rachel C. Orscheln, MD
Professor of Pediatrics, Infectious Diseases
Director, Clinical Services
Vice Chair, Community Health and Strategic Planning
- Phone: 314-454-6050

Cassandra M. Pruitt, MD, FAAP
Professor of Pediatrics, Academic Pediatrics
Associate Pediatric Residency Program Director
Director, Academic Pediatrics
Medical Director, General Pediatrics and Complex Care Clinic
Vice Chair, Outpatient Health
- Phone: 314-454-6300

Kimberly S. Quayle, MD
Professor of Pediatrics, Emergency Medicine
Dana Brown Chair in Pediatric Emergency Medicine
Division Director, Pediatric Emergency Medicine
- Phone: 314-454-2341

Katherine Rivera-Spoljaric, MD, MSCI
Professor of Pediatrics, Allergy and Pulmonary Medicine
Co-Director, Office of Faculty Development & DEI
Medical Director, Multidisciplinary Technology Dependent Child Center
Co-Director, Severe Asthma Clinic for Kids (SACK)
- Phone: 314-454-2694

Ronald C. Rubenstein, MD, PhD
Professor of Pediatrics, Allergy and Pulmonary Medicine
Division Director, Allergy and Pulmonary Medicine
Robert C. Strunk Endowed Chair for Lung and Respiratory Research
- Phone: 314-454-2694

Gary A. Silverman, MD, PhD
Harriet B. Spoehrer Professorship in Pediatrics
Chairman, Department of Pediatrics