Stem Cell Transplant Care Team

Physicians

Maria-Grazia Roncarolo, MD 

Maria-Grazia Roncarolo, MD – Division Chief

Area of Expertise:

  • Regulatory T cells to prevent graft versus host disease
  • Mechanisms of graft versus leukemia in AML
  • Stem cell gene therapy for genetic diseases
  • HSCT for immune dysregulation disorders
  • Immune reconstitution 
Rajni Agarwal, MD

Rajni Agarwal, MD – Medical Director

Area of Expertise:

  • HSC graft manipulation
  • HSCT for bone marrow failure syndromes
  • Management of VOD
  • Prevention of infections
Michael Amylon, MD

 Michael Amylon, MD

Area of Expertise:

  • Acute leukemia
  • Graft versus host disease
Rosa Bacchetta, MD

Rosa Bacchetta, MD 

Area of Expertise:

  • Genetic autoimmunity
  • IPEX disease
  • Immune dysregulation
Matthew Porteus, MD

Matthew Porteus, MD, PhD 

Area of Expertise:

  • Gene editing for sickle cell disease
  • HSCT for genetic diseases
  • Hematopoietic stem cell biology
Liora Schultz, MD

Liora Schultz, MD 

Area of Expertise:

  • Immune reconstitution
  • Acute leukemia
  • Graft versus host disease
Ami Shah, MD

Ami Shah, MD 

Area of Expertise:

  • Late effects and survivorship
  • Metabolic diseases
  • Chronic graft versus host disease
  • Pediatric leukemia
Sandeep Soni, MD

Sandeep Soni, MD 

Area of Expertise:

  • Gene therapy for thalassemia and sickle cell disease
  • HSCT for hemoglobinopathies
  • Neuroblastoma
Katja Weinacht, MD

Katja Weinacht, MD

Area of Expertise:

  • Immune dysregulation  
  • Immune-mediated cytopenia
  • Graft versus host disease
  • Primary immunodeficiencies
  • DiGeorge Syndrome
Kenneth Weinberg, MD

Kenneth Weinberg, MD

Area of Expertise:

  • Genetic and acquired immune disorders
  • Immune development
  • HSCT 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.