PCWG Steering Committee

Meredith S. Irwin, MD
(2025-2027)Oncologist, Senior Scientist, Pediatrician-in-Chief
Hospital for Sick Children
Chair, Department of Pediatrics
University of Toronto
Toronto, Canada

E. Alejandro Sweet-Cordero, MD
(2025-2026)Chief, Division of Pediatric Oncology
Benioff UCSF Professor of Children’s Health
University of California San Francisco
San Francisco, California

Samuel C. Blackman, MD
(2023-2026)Entrepreneur in Residence
Google Ventures
Founder, Strategic Advisor
Day One Biopharmaceuticals
South San Francisco, CA

Sharon M. Castellino, MD, MSc
(2023-2026)Professor of Pediatrics
Emory University School of Medicine
Member, Winship Cancer Institute
Director, Leukemia/Lymphoma Program
The Aflac Cancer & Blood Disorders Center
Children’s Healthcare of Atlanta
Atlanta, Georgia

Alanna J. Church, MD
(2023-2026)Director of Innovation in Pediatric Cancer Genomics
Associate Director, Laboratory for Molecular Pediatric Pathology (LaMPP)
Program Director, Harvard Molecular Genetic Pathology Fellowship
Chair of Clinical Practice, Association for Molecular Pathology
Associate Professor, Harvard Medical School
Boston, Massachusetts

Katleen De Preter, PhD
(2025-2027)Group leader & Full professor
Translational Onco-genomics and Bio-Informatics lab (TOBI)
Center for Medical Biotechnology, VIB-UGent
Department of Biomolecular Medicine, UGent
Cancer Research Institute Ghent (CRIG)
Ghent, Belgium

Mariella G. Filbin, MD, PhD
(2025-2028)Attending Physician
Pediatric Hematology/Oncology
Boston Children’s Hospital
Associate Professor of Pediatrics
Harvard Medical School
Co-Director, Brain Tumor Center of Excellence
Director for Research
Pediatric Neuro-Oncology Program
Dana Farber Cancer Institute
Jan Paradise Chair in Brain Cancer Research
Associate Member
Broad Institute of Harvard and MIT
Boston, Massachusetts

Cynthia Hawkins, MD, PhD
(2025-2028)Head, Division of Pathology
The Hospital for Sick Children
Senior Scientist, Cell Biology Program
The Hospital for Sick Children
Professor of Laboratory Medicine and Pathobiology
The University of Toronto
Toronto, Canada

Adam S. Levy, MD
(2025-2027)Executive Director
Head, Pediatric Center of Excellence
Bristol Myers Squibb
Madison, New Jersey

Philip J. Lupo, PhD, MPH
(2025-2028)Professor of Pediatrics
Emory University School of Medicine
Aflac Cancer and Blood Disorders Center
Children’s Healthcare of Atlanta
Chair, Epidemiology Committee
Children’s Oncology Group
Atlanta, Georgia

Jeffrey A. Magee, MD, PhD
(2025-2027)Elizabeth H. and James S. McDonnell III Professor of Pediatrics
Director, McDonnell Pediatric Cancer Center
Division of Pediatric Hematology and Oncology
Washington University School of Medicine
St. Louis, Missouri

Julie R. Park, MD
(2023-2026)Chair
Department of Oncology
St. Jude Children’s Research Hospital
Associate Director Translational Research
St. Jude Comprehensive Cancer Center
Memphis, Tennessee

Ryan D. Roberts, MD, PhD
(2025-2028)Associate Professor
Division of Hematology, Oncology, and BMT
Department of Pediatrics
The Ohio State University
Principal Investigator
Center for Childhood Cancer Research
Abigail Wexner Research Institute
Nationwide Children’s Hospital
Member, Translational Therapeutics
The James Comprehensive Cancer Center
Columbus, Ohio

Jay F. Sarthy, MD, PhD
(2025-2027)Investigator, Ben Towne Center
Seattle Children’s Research Institute
Assistant Professor
University of Washington School of Medicine
Seattle, Washington

Sarah K. Tasian, MD
(2025-2028)Associate Professor of Pediatrics
University of Pennsylvania School of Medicine
Chief of Hematologic Malignancies Program
Children’s Hospital of Philadelphia
Philadelphia, Pennsylvania
Guest Researcher
Prinses Máxima Centrum
Utrect, Netherlands