Our Doctors

Lauri M. Burroughs, MD

Pediatric Bone Marrow Transplantation

Dr. Burroughs specializes in bone marrow transplantation for the treatment of patients with childhood cancers and nonmalignant disorders. In particular, she has an interest in patients with primary immunodeficiency disorders, metabolic disorders, and marrow failure.

Paul A. Carpenter, MD

Hematology Oncology

Dr. Carpenter is a pediatric hematology oncologist. He treats children with autoimmune diseases, leukemia, and lymphoma. Additionally, he is part of the Long Term Follow-up team for adult services.

Ann E. Woolfrey, MD

Hematology Oncology

Dr. Woolfrey is a pediatric oncologist practicing at Seattle Children's. She specializes in pediatric blood disorders and bone-marrow transplants.

Robert G. Andrews, MD

Pediatric Bone Marrow Transplantation

Dr. Andrews is a pediatric hematologist/oncologist with special interest in hematopoietic stem cell transplantation who treats children with pediatric cancers, autoimmune diseases, and other genetic disorders.

Colleen S. Delaney, MD, MSC

Pediatric Bone Marrow Transplantation

Dr. Delaney's clinical specialties include Pediatric Oncology, Pediatric Bone Marrow Transplantation, and Pediatric Stem Cell Transplantation, Umbilical Cord Blood Transplantation, and Ex vivo Expansion of Hematopoietic Stem Cells

John A. Hansen, MD

Bone Marrow Transplantation,Medical Oncology

Dr. Hansen works in the clinical research division of Fred Hutchinson Cancer Research Center whose work involves studying genes that play critical roles in regulating cellular immune responses and immunity.

Richard A. Nash, MD

Hematology Oncology

Dr. Nash provides patient care at SCCA for patients who need stem cell transplants. Read more about Dr. Nash and his work at SCCA.

Judith Lee Nelson, MD

Dr. Nelson is a medical oncologist and rheumatologist who specializes in treating autoimmune disease, immunogenetics, reproductive immunology, arthritis, and rheumatoid arthritis.

Jean E. Sanders, MD

Pediatric Bone Marrow Transplantation

Dr. Sanders is the director of pediatric clinical hematopoietic cell transplantation at SCCA and Seattle Children's.