Randall T. Hayden

Randall T. Hayden, MD is a distinguished faculty member at St. Jude Children's Research Hospital where he serves as Director of Clinical and Molecular Microbiology, Medical Director of Clinical Pathology, and Director of Global Pathology and Laboratory Medicine. His leadership extends to global initiatives through St. Jude Global, focusing on building pathology and laboratory medicine capacity worldwide.

Dr. Hayden's research focuses on molecular diagnostic techniques for clinical microbiology, particularly in the context of immunocompromised pediatric hosts. His expertise spans morphologic diagnosis of infectious diseases in tissue and laboratory diagnosis in resource-limited settings. His work addresses critical challenges in pediatric oncology and transplant medicine where accurate and rapid pathogen identification directly impacts patient outcomes.

Analysis of his recent publications reveals a strong emphasis on advanced diagnostic methodologies including digital PCR, metagenomic sequencing, and novel molecular techniques for pathogen detection. His research consistently addresses the unique challenges of infectious disease diagnosis in immunocompromised children, with particular attention to bacterial, viral, and fungal pathogens in oncology and transplant settings. The interdisciplinary nature of his work bridges laboratory science with direct clinical applications.

His professional recognition includes:

• Fellow of the Infectious Diseases Society of America

Dr. Hayden leads significant initiatives in global pathology capacity building and has been instrumental in developing standards for infectious disease diagnosis in vulnerable pediatric populations. His laboratory medicine expertise supports St. Jude's mission through both direct patient care applications and broader global health initiatives that extend the hospital's impact worldwide.