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Our Team

Director

Dr. Alison Bertuch is Director of the Bone Marrow Failure Program at Texas Children's Cancer and Hematology Centers. Her clinical interests include oncology, osteosarcoma, and bone marrow failure disorders. Board Certifications American Board of Pediatrics American Board of Pediatrics-Hematology…
Phone: 832-824-4579

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Hematology/Oncology

Viia Anderson is a board certified pediatric nurse practitioner at Texas Children's Cancer and Hematology Centers where she is a member of the Young Women's Bleeding Disorder Clinic and the Hemostasis and Thrombosis Program.  Board Eligibility/Certification 2019 - Present    Board Certified…
Phone: 832-822-2146

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Dr. Rosa Diaz is a specialist in bleeding and clotting disorders at Texas Children's Cancer and Hematology Centers. Dr. Diaz received her medical degree from the University of Puerto Rico Medical School, followed by her residency at the Steven & Alexandra Cohen Children's Medical Center in New…
Phone: 832-822-4242

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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…
Phone: 832-822-1320

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Dr. Ghadir Sasa is interested in inherited and acquired bone marrow failure disorders. During her fellowship under the mentorship of Dr. Alison Bertuch, Dr. Sasa's research focused on dyskeratosis congenita, an inherited bone marrow failure that results from abnormal telomere shortening. She is…
Phone: 832-824-4524

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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…
Phone: 832-822-3054

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