Our Team

Co-Directors

Dr. Carl Allen is 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 children and adults with histiocytic disorders, lymphoma and lymphoproliferative disorders.…
Phone: 832-824-4312

Read more

Board Certifications American Board of Pediatrics American Board of Pediatrics – Hematology/Oncology American Board of Internal Medicine
Phone: 832-824-4163

Read more

Hematology/Oncology

Dr. Carl Allen is 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 children and adults with histiocytic disorders, lymphoma and lymphoproliferative disorders.…
Phone: 832-824-4312

Read more

Dr. ZoAnn Dreyer is 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 delayed effects of their prior cancer therapy. Survivors are patients who are more than five years from their…
Phone: 832-822-4209

Read more

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…
Phone: 832-824-4848

Read more

Board Certifications American Board of Pediatrics American Board of Pediatrics – Hematology/Oncology American Board of Internal Medicine
Phone: 832-824-4163

Read more

Dr. Joseph Lubega is 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 Medical Director for Global Hematology/Oncology Pediatric Excellence (HOPE) in…
Phone: 832-822-4242

Read more

Dr. Kenneth McClain is Director of the Histiocytosis Program at Texas Children’s Cancer and Hematology Centers 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…
Phone: 832-822-4208

Read more

Dr. Phil Steuber completed his internship, residency and fellowship at Texas Children’s Hospital, followed by becoming an attending physician in the Texas Children’s Cancer Center. As the Director of the Education Division, Dr. Steuber has mentored nearly 180 pediatric hematology/oncology fellows…
Phone: 832-822-4207

Read more

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…
Phone: 832-824-4661

Read more