Dr. Stapleton is the division chief of oncology and director of pediatric neuro-oncology at Johns Hopkins All Children’s Hospital. Dr. Stapleton joined the hospital in 2007. She has formal training in pediatric neuro-oncology. She received the Armstrong Award for Quality and Patient Safety for Johns Hopkins All Children's in the 2024 Johns Hopkins Medicine Clinical Awards. Dr. Stapleton is on the Pediatric Palliative Care Team at Johns Hopkins All Children’s, and she specializes in symptom control and end of life care. She has been awarded numerous grants for phase I studies for patients with brain and spinal cord tumors as well as clinical research in pediatric palliative care. Dr. Stapleton’s research experience includes investigator-initiated and multi-center research projects. Dr. Stapleton is an associate professor of pediatrics at the University of South Florida and an assistant professor in the department of pediatrics at Johns Hopkins University. Dr. Stapleton completed her medical training at St. Louis University School of Medicine, residency training at Lackland Air Force Base in Texas and fellowship training at Baylor College of Medicine/Texas Children’s Hospital. Dr. Stapleton also served 13 years in the United States Air Force. Dr. Stapleton is a member of the American Board of Pediatrics, the Children’s Oncology Group, the Society of Neuro-Oncology, American Society of Pediatric Hematology/Oncology, and America Academy of Hospice and Palliative Medicine. Dr. Stapleton is rated as a Distinguished provider by MediFind in the treatment of Medulloblastoma. Her top areas of expertise are Medulloblastoma, Embryonal Tumor with Multilayered Rosettes, Glioma, Histiocytosis, and Bone Marrow Aspiration.

Dr. Jallo is the vice dean and physician-in-chief at Johns Hopkins All Children's Hospital. He also is the David M. Goldenberg Family Endowed Chair in the Institute for Brain Protection Sciences and a professor of neurosurgery, pediatrics and oncology with Johns Hopkins University School of Medicine. Dr. Jallo joined Johns Hopkins in 2003 as a pediatric neurosurgeon. In 2013, he became the pediatric neurosurgery division director at The Johns Hopkins Hospital in Baltimore. Dr. Jallo moved to Johns Hopkins All Children's in 2015 to launch the Institute for Brain Protection Sciences, a multidisciplinary institute that unites clinicians, researchers and educators focused on promoting optimal neurodevelopment and caring for children with injuries and illnesses that can affect the brain. His areas of expertise include tumors of the brain and spinal cord, intraoperative neurophysiological monitoring for eloquent tumors, use of minimally invasive technologies such as endoscopy and keyhole surgery and surgical treatment of epilepsy. Dr. Jallo has published more than 245 peer-reviewed scientific articles, 89 book chapters and is co-editor of five textbooks on pediatric neurosurgery, pediatric epilepsy surgery and neuroendoscopy. In addition, Dr. Jallo has been principal investigator for NIH and private foundation grants focused on treatment of pediatric central nervous system tumors and other neurosurgical challenges. Dr. Jallo earned his medical degree at the University of Virginia Medical School and completed his residency in neurosurgery at New York University Medical Center and fellowship in pediatric neurosurgery at Beth Israel Medical Center, Institute for Neurology and Neurosurgery, in New York. Dr. Jallo is rated as an Advanced provider by MediFind in the treatment of Medulloblastoma. His top areas of expertise are Ependymoma, Spinal Tumor, Subependymoma, Posterior Fossa Decompression, and Laminectomy.

Dr. Vlachos is the chief of hematology in the Johns Hopkins All Children’s Hospital Cancer & Blood Disorders Institute in St. Petersburg, Florida, and professor of pediatrics (PAR) in the Johns Hopkins University School of Medicine. She joined the hospital staff in 2024. She was previously professor of pediatrics at Zucker School of Medicine at Hofstra/Northwell and attending physician in hematology/oncology at Cohen Children’s Medical Center/Northwell Health, where she was head of the Bone Marrow Failure Program and head of the pediatric hematology/oncology trials office. Dr. Vlachos is internationally known for clinical care and expertise in bone marrow failure syndromes and her transformational research in Diamond Blackfan anemia (DBA) syndrome, a rare inherited bone marrow failure syndrome. Dr. Vlachos is the founder and has directed the Diamond Blackfan Anemia Registry (DBAR) of North America since its inception in 1991. She is the principal investigator and co-investigator on multiple grants funded by the National Institute of Health and the Centers for Disease Control and Prevention. She has published numerous articles on her research findings and has been invited to author papers and book chapters on bone marrow failure syndromes and DBA. Dr. Vlachos is a member of the Medical and Scientific Advisory Board for the Shwachman-Diamond Syndrome Registry, is a member of the Scientific Advisory Board for the Diamond Blackfan Anemia Foundation and holds a position on the Scientific Program Committee for Bone Marrow Failure of the American Society of Hematology. She earned her medical degree from New York Medical College in Valhalla, New York. She completed her residency in pediatrics at North Shore University Hospital in Manhasset, New York. She then completed a clinical fellowship in bone marrow transplantation at North Shore University Hospital, followed by a fellowship in pediatric hematology-oncology and bone marrow transplantation at Mount Sinai Medical Center in New York. Videos Bone Marrow Failure Syndrome Expert Dr. Adrianna Vlachos at Johns Hopkins All Children’s. Dr. Vlachos is rated as an Experienced provider by MediFind in the treatment of Medulloblastoma. Her top areas of expertise are Aase Syndrome, Pure Red Cell Aplasia, Aplastic Anemia, and Transient Erythroblastopenia of Childhood.

Dr. Geller specializes in pediatric neurology for the Johns Hopkins All Children’s Institute for Brain Protection Sciences. He sees patients at the main campus in St. Petersburg and at Johns Hopkins All Children’s Outpatient Care, North Port. He joined the hospital staff in 2018. Dr. Geller previously was a pediatric neurologist and child neurology residency program director at Cardinal Glennon Children's Medical Center in St. Louis, Missouri. He retired as a captain from the U.S. Navy Medical Corps. His clinical and research interests include neurofibromatosis, neuro-oncology and pain management. Dr. Geller earned his medical degree from St. Louis University Medical School. He trained in pediatrics and served as chief resident at Naval Hospital in Oakland, California. He then completed a pediatric neurology residency and served as chief neurology resident at the University of Illinois in Chicago. He also completed a six-week externship at Queen Square Neurologic Institute in London, England. Dr. Geller is rated as an Experienced provider by MediFind in the treatment of Medulloblastoma. His top areas of expertise are Cerebral Ventricle Cancer, Neurofibromatosis Type 1 (NF1), Neurofibromatosis, and Duchenne Muscular Dystrophy.

Neil Goldenberg is a Pediatric Hematologist Oncology provider in Saint Petersburg, Florida. Dr. Goldenberg is rated as an Experienced provider by MediFind in the treatment of Medulloblastoma. His top areas of expertise are Venous Thromboembolism (VTE), Mesenteric Venous Thrombosis, Blood Clots, Thrombectomy, and Gastrostomy.

Marc Goldman is a Neurosurgery provider in St Petersburg, Florida. Dr. Goldman is rated as an Experienced provider by MediFind in the treatment of Medulloblastoma. His top areas of expertise are Subdural Hematoma, Chronic Subdural Hematoma, Metastatic Brain Tumor, Awake Craniotomy, and Laminectomy. Dr. Goldman is currently accepting new patients.