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Stem Cell Transplantation Care Team

Maria-Grazia Roncarolo, MD

Maria-Grazia Roncarolo, MD, is the division chief of pediatric stem cell transplantation.

Areas of Expertise: Regulatory T cells to prevent graft-versus-host disease, mechanisms of graft versus leukemia in acute myelogenous leukemia, stem cell gene therapy for genetic diseases, hematopoietic stem cell transplantation for immune dysregulation disorders, immune reconstitution.

Rajni Agarwal, MD

Rajni Agarwal, MD, is board certified in pediatrics.

Areas of Expertise: Hematopoietic stem cell graft manipulation, hematopoietic stem cell transplantation for bone marrow failure syndromes, veno-occlusive disease, infection prevention

Michael Amylon, MD

Michael Amylon, MD, is board certified in pediatric hematology-oncology and pediatrics.

Areas of Expertise: Acute leukemia, graft-versus-host disease

Rosa Bacchetta, MD

Areas of Expertise: Genetic autoimmunity, IPEX syndrome, immune dysregulation

Alice Bertaina, MD, PhD

Areas of Expertise: Allogenic stem cell transplantation in children, graft manipulation, immune reconstitution, graft-versus-host disease

Julia Chu, MD

Julia Chu, MD, is board certified in pediatric hematology-oncology and pediatrics.

Areas of Expertise: Immune reconstitution, acute leukemia, graft-versus-host disease

Agnieszka Czechowicz, MD

Agnieszka Czechowicz, MD, is an assistant professor of pediatrics.

Areas of Expertise: Bone marrow failure disorders, Fanconi anemia, stem cell gene therapy for genetic diseases

Melissa Mavers, MD

Melissa Mavers, MD, is board certified in pediatrics.

Areas of Expertise: Immunoregulation of graft-versus-host disease, graft-versus-host disease prevention and treatment

Matthew Porteus, MD

Matthew Porteus, MD, is board certified in pediatric hematology-oncology.

Areas of Expertise: Gene editing for sickle cell disease, hematopoietic stem cell transplantation for genetic diseases, hematopoietic stem cell biology

Ami Shah, MD

Ami Shah, MD, is board certified in pediatric hematology-oncology.

Areas of Expertise: Late effects and survivorship, metabolic diseases, chronic graft-versus-host disease, pediatric leukemia

Sandeep Soni, MD

Sandeep Soni, MD, is board certified in pediatric hematology-oncology.

Areas of Expertise: Gene therapy for thalassemia and sickle cell disease, hematopoietic stem cell transplantation for hemoglobinopathies, neuroblastoma

Katja Weinacht, MD, PhD

Katja Weinacht, MD, PhD, is board certified in pediatric hematology-oncology and pediatrics.

Areas of Expertise: Immune dysregulation, immune-mediated cytopenia, graft-versus-host disease, primary immunodeficiencies, DiGeorge syndrome

Kenneth Weinberg, MD

Kenneth Weinberg, MD, is board certified in pediatric hematology-oncology and pediatrics.

Areas of Expertise: Genetic and acquired immune disorders, immune development, hematopoietic stem cell transplantation for genetic diseases, graft-versus-host disease

    Advanced Practice Providers

    Inpatient

    • Elizabeth Callard, PNP
    • Suzette Stone, MSN

    Outpatient

    • Edna Klinger, PNP
    • Karen Kristovich, PNP

    Nurse Coordinators

    • Linda Ritter, RN
    • Cassandra Weber, RN

    Social Work Services

    For more information, contact us at (650) 497-8953 or visit the Division of Pediatric Stem Cell Transplantation and Regenerative Medicine.

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