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The Sidney Kimmel Comprehensive Cancer Center

Pediatric Oncology

Our Experts

2023 Pediatric Oncology Faculty

The Pediatric Oncology Division at the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins includes a wide array of medical professionals and laboratory scientists. Many of our experts are nationally and internationally recognized as leaders in the research and treatment of pediatric cancer.

As a leader in pediatric cancer research, we are dedicated to making new discoveries to improve the lives of children with cancer in Maryland, the nation, and around the world. We are at the forefront of developing new treatments and designing clinical trials for better outcomes for our patients.

Pediatric Oncology Director

Donald Small MD

  • Director, Division of Pediatric Oncology
  • Professor of Oncology

Expertise: Pediatric Hematology Oncology

Thoughts from Our Childhood Cancer Director

Neuro-Oncology Director

Kenneth J. Cohen MD MBA

  • Clinical Director Pediatric Oncology
  • Professor of Oncology

Expertise: Neuro-Oncology

Bone Marrow Transplantation

Kenneth R. Cooke MD

  • Herman and Walter Samuelson Professor of Oncology
  • Professor of Oncology

Expertise: Pediatric Cellular Therapy

Sarcoma

Christine Pratilas MD

  • Associate Professor of Oncology

Expertise: Sarcoma and Connective Tissue Medical Oncology

Leukemia Experts

  • Stacy L. Cooper MD

    • Director, Pediatric Hematology/Oncology Fellowship Program
    • Assistant Professor of Oncology

    Expertise: Leukemia

  • Alan David Friedman MD

    • King Fahd Professor of Pediatric Oncology
    • Professor of Oncology

    Expertise: Leukemia

  • Lei Peng MD

    • Instructor of Oncology

    Expertise: Leukemia

  • Kristen Schratz MD

    • Assistant Professor of Oncology

    Expertise: Pediatric Hematology Oncology

  • Donald Small MD

    • Director, Division of Pediatric Oncology
    • Professor of Oncology

    Expertise: Pediatric Hematology Oncology

  • Amy Dezern MD MHS

    • Director, Bone Marrow Failure and MDS Program
    • Professor of Oncology

    Expertise: Hematologic Malignancy

Bone Marrow Transplant Experts

Sarcoma Experts

Brain Tumor/Neuro-Oncology Experts

Pediatric Radiation Oncology

  • Sahaja Acharya MD

    • Director, Pediatric Radiation Oncology
    • Assistant Professor of Radiation Oncology and Molecular Radiation Sciences

    Expertise: Radiation Oncology

  • Matthew M. Ladra MD MPH

    • Director, Pediatric Radiation Oncology, Johns Hopkins Kimmel Cancer Center at Sibley Memorial Hospital
    • Assistant Professor of Radiation Oncology and Molecular Radiation Sciences

    Expertise: Radiation Oncology

Pediatric Surgical Oncology

  • Daniel S. Rhee MD MPH

    • Director, Pediatric Surgical Oncology Program
    • Associate Professor of Surgery

    Expertise: Pediatric General Surgery

  • Jonathan Walsh MD

    • Associate Residency Program Director
    • Associate Professor of Otolaryngology - Head and Neck Surgery

    Expertise: Otolaryngology

Pediatric Cancer Survivorship Program

Kathy Ruble CRNP

  • Director, Life Clinic and Leukemia Survivorship Program
  • Associate Professor of Oncology

Expertise: Pediatric Medical Oncology

Read more about Johns Hopkins Pediatric Oncology milestones in pediatric cancer Research and Clinical Trials.