Our Team

Following the latest guidelines, we offer a full scope of care through the experts at Texas Children’s Hematology Center, as well as throughout the 40 subspecialties at Texas Children’s Hospital. Our Program has active collaborations with specialists from other Texas Children's Hospital departments, including pediatric gynecology, gastroenterology, cardiology, neonatology, pathology, transfusion medicine, and the Children’s Nutrition Research Center.

Director

Dr. Jackie Powers is an expert in the management of iron deficiency anemia. She was the principal investigator for the BESTIRON clinical trial, which compared the efficacy of two commonly prescribed oral iron medications for the treatment of iron deficiency anemia in young children. This trial was… read more
Phone: 832-824-7330

Hematology/Oncology

Dr. Gladstone Airewele is an Associate Professor in the Department of Pediatrics at Baylor College of Medicine, and is the Director of the Global Hematology Program at Texas Children’s Cancer and Hematology Center, Houston, Texas. He specializes in pediatric sickle cell disease. His clinical… read more
Phone: 832-822-4849
Dr. Juan Carlos Bernini is a pediatric hematologist-oncologist located at the Vannie Cook Children's Cancer Clinic. The clinic is located in McAllen, Texas and serves pediatric cancer patients, as well as patients with childhood blood disorders. The clinic provides cancer and blood disorder… read more
Phone: 956-661-9840
Dr. Amanda Grimes is a specialist in pediatric immune hematology at Texas Children's Cancer and Hematology Center.  Dr. Grimes is passionate about advancing knowledge and research within her fields of expertise, particularly with the goal of improving therapies and outcomes for patients suffering… read more
Phone: 832-822-4217
Dr. Richard Hurwitz is a Co-Director of the Retinoblastoma Program. Dr. Richard Hurwitz studies the potential use of gene therapy for the treatment of ocular diseases. He has shown that a novel treatment for retinoblastoma using suicide gene therapy is safe and possibly effective in children. To… read more
Phone: 832-824-4259
Dr. Tami John has completed training in pediatric blood disorders and cancers and obtained specialized training in bone marrow transplant. She is dedicated to both patient care and patient access to novel treatment options. She decided to enter the field of oncology prior to medical school after… read more
Phone: 832-824-4723
Susan Kirk has been treating children with blood disorders for over 10 years. She is a member of the immune hematology, general hematology, and hematosis and thrombosis teams. Susan treats children with many conditions including anemias, low blood counts and bleeding and clotting disorders. She is… read more
Phone: 832-822-1320
Dr. Trinh Nguyen is an Assistant Professor in the Department of Pediatrics, Section of Pediatric Hematology and Oncology at Baylor College of Medicine-Texas Children's Hospital. She has over 6 years experience in treating children with bleeding and clotting disorders, a very highly specialized… read more
Phone: 936-267-7444
Dr. Jennifer Tran is a physician at the Texas Children's Hospital West Campus, Cancer and Hematology Clinic. Board Certifications American Board of Pediatrics American Board of Pediatrics - Pediatric Hematology/Oncology
Phone: 832-227-1090

Genetic Counselor

Hannah Helber is a certified genetic counselor for the Hematology Center at Texas Children's Hospital. As a genetic counselor in the Hematology Clinic, she works to identify families at risk for inherited hematologic conditions. She provides education on genetics, as well as discussing options for… read more
Phone: 832-822-4240