Fellowship Director
![Jennifer Dien Bard, PhD](/sites/default/files/styles/1_1_profile_thumbnail/public/thumbnails/image/CHLA-Jennifer-Dien-Bard.jpg.webp?itok=mV71RU_2)
Jennifer Dien Bard, PhD, D(ABMM), F(CCM)
Director of the Clinical Microbiology and Virology Laboratory
Professor of Pathology (Clinical Scholar), Keck School of Medicine of USC
Meet Our Faculty
![](/sites/default/files/styles/1_1_profile_thumbnail/public/thumbnails/image/CHLA-Maurice-O%27Gorman-1.jpg.webp?itok=g4Cdht3y)
Maurice O'Gorman, PhD, MSc, D(ABMLI), MBA
Chief, Division of Laboratory Medicine
Director, Clinical Laboratory
Director, Diagnostic Immunology and Flow Cytometry Laboratory
Professor of Pathology and Pediatrics (Clinical Scholar), Keck School of Medicine of USC
![](/sites/default/files/styles/1_1_profile_thumbnail/public/thumbnails/image/Cristina-Costales-255x255.jpg.webp?itok=NtgLBqv3)
Cristina Costales, MD
Attending Physician
Assistant Professor of Clinical Pathology, Keck School of Medicine of USC
![Susan Butler-Wu](/sites/default/files/styles/1_1_profile_thumbnail/public/thumbnails/image/USC-Butler-Wu-Susan-150x150.jpg.webp?itok=Qbr-I7Lg)
Susan Butler-Wu, PhD, D(ABMM) SM (ASCP)
Associate Professor of Clinical Pathology, Keck School of Medicine of USC
Director, Clinical Microbiology Laboratory, LAC+USC Medical Center
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Edward Leung, PhD, DABCC, FACB/FAACC
Director, Core Laboratory
Assistant Professor of Clinical Pathology, Keck School of Medicine of USC
![](/sites/default/files/styles/1_1_profile_thumbnail/public/thumbnails/image/CHLA-Caleb-Cornaby-255x255.jpg.webp?itok=1JXobi5D)
Caleb Cornaby, PhD
Assistant Director, HLA
Assistant Director, Diagnostic Immunology and Flow Cytometry
Assistant Professor of Clinical Pathology, Keck School of Medicine of USC
![](/sites/default/files/styles/1_1_profile_thumbnail/public/thumbnails/image/Leila-Posch.jpg.webp?itok=6m0BdpSm)
Leila C Posch, MD
Co-Director Pediatric Transplant & Immunocompromised ID (ICID) Program
Attending Physician
Assistant Professor of Clinical Pediatrics, Keck School of Medicine at USC
![Professional headshot of Nicole M. Green](/sites/default/files/styles/1_1_profile_thumbnail/public/thumbnails/image/Nicole-Green-150x150.jpg.webp?itok=PAuUWz5i)
Nicole M. Green, PhD, D(ABMM)
Director, Public Health Laboratories
Los Angeles County Department of Public Health