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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 in 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 Pediatric Surgery

    Expertise: Pediatric General Surgery

  • Jonathan Walsh, MD

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

    Expertise: Pediatric Head and Neck Surgery, Pediatric Endocrine Surgery, Pediatric Otolaryngology, 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.