Our Team

Co-Directors

Dr. Carl Allen is the Milton and Allene Nirken Chair in Pediatric Oncology at Texas Children's Hospital and co-director of the Texas Children’s Cancer Center Histiocytosis and Lymphoma Programs, where he leads a team of over 30 clinicians and scientists dedicated to improving the outcomes of… read more
Phone: 832-824-4312
Board Certifications American Board of Pediatrics American Board of Pediatrics – Hematology/Oncology American Board of Internal Medicine
Phone: 832-824-4163

Hematology/Oncology

Dr. Carl Allen is the Milton and Allene Nirken Chair in Pediatric Oncology at Texas Children's Hospital and co-director of the Texas Children’s Cancer Center Histiocytosis and Lymphoma Programs, where he leads a team of over 30 clinicians and scientists dedicated to improving the outcomes of… read more
Phone: 832-824-4312
Dr. ZoAnn Dreyer is the Sidney L. and Donald F. Faust Professor in Pediatric Cancer Survivorship at Texas Children's Hospital and Clinical Director of the Long-Term Survivor Clinic at Texas Children’s Cancer Center. Over 1,000 childhood cancer survivors are evaluated every one to two years for… read more
Phone: 832-822-4209
Dr. Olive Eckstein is a clinical expert with extensive experience in the evaluation and care of pediatric and adult patients with histiocytic disorders, lymphomas, and rare lymphoproliferative and immune disorders.  As a physician in one of the largest Histiocytosis and Lymphoma programs in the… read more
Phone: 832-824-4848
Board Certifications American Board of Pediatrics American Board of Pediatrics – Hematology/Oncology American Board of Internal Medicine
Phone: 832-824-4163
Dr. Joseph Lubega is Associate Director of the Pediatric Hematology/Oncology Fellowship Program, Associate Director of the East Africa Pediatric Hematology/Oncology Fellowship Training Program and Chair of the Pediatric East Africa Clinical Oncology Consortium (PEACOC). He was previously the… read more
Phone: 832-822-4242
Dr. Kenneth McClain is Director of the Histiocytosis Program at Texas Children’s Cancer and Hematology Center and a member of the leukemia and lymphoma programs. Dr. McClain and Dr. Carl Allen see 100 newly-diagnosed patients with a variety of histiocytic diseases each year. His clinical interests… read more
Phone: 832-822-4208

Bone Marrow Transplant / Stem Cell Transplant

Dr. Robert Krance is the Director of the Pediatric Bone Marrow Transplant (BMT)/Stem Cell Transplant Program at Texas Children’s Hospital. The clinical program, one of the most active in the country, treats patients with various hematologic, oncologic, immunologic and genetic disorders. Dr. Krance… read more
Phone: 832-824-4661