Dr. Eric Raabe

Roger Packer is a Neurologist and a Pediatrics provider in Washington, Washington, D.c.. Dr. Packer is rated as an Elite provider by MediFind in the treatment of Brain Stem Cancer. His top areas of expertise are Brain Tumor, Diffuse Midline Glioma H3 K27M-Mutant, Medulloblastoma, and Gliomatosis Cerebri.

Dr. Cohen is Director of Pediatric Neuro-Oncology and Clinical Director of the Division of Pediatric Oncology at the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins. He received his undergraduate degree at Brown University and earned his MD at the Upstate Medical University, in Syracuse, NY. He did his general Pediatric Residency and Chief Residency at the University of Colorado and completed his Pediatric Hematology/Oncology Fellowship at Johns Hopkins. He has served on the faculty since 1994. His research centers on clinical trials of novel therapeutics for children with brain tumors. Dr. Cohen is co-chair of the High-Grade Glioma committee for the Children's Oncology Group and in that capacity has a particular research interest in the development of therapeutics for the treatment of infiltrating gliomas. He serves on the scientific advisory board for a number of organizations including St. Baldricks and the Childhood Brain Tumor Foundation. He is on the editorial board for PDQ with responsibility for authorship of the pediatric CNS brain tumor summaries. The Pediatric Neuro-Oncology program conducts a broad range of research centered primarily around the development and testing of novel therapeutics for children with brain tumors. The multidisciplinary nature of this work translates into continual collaboration with specialists in pediatric neurosurgery, radiation oncology, neuropathology, neuroradiology, neurology, neuro-ophthalmology, neuropsychology, and other related disciplines. Dr. Cohen is rated as a Distinguished provider by MediFind in the treatment of Brain Stem Cancer. His top areas of expertise are Glioma, Brain Stem Cancer, Medulloblastoma, Embryonal Tumor with Multilayered Rosettes, and Bone Marrow Aspiration.

Dr. Matthias Holdhoff is a medical oncologist and co-director of the Brain Cancer Disease Group at the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins. He is a professor of oncology, neurology and neurological surgery at Johns Hopkins University School of Medicine. Dr. Holdhoff’s expertise is in primary brain cancers and central nervous system lymphomas. He earned his medical degree from Freie Universität Berlin, received his doctorate degree at Charité University Medicine Berlin. Dr. Holdhoff completed residency training in internal medicine at Johns Hopkins Bayview Medical Center, followed by a fellowship in medical oncology at Johns Hopkins Hospital with research training at the Ludwig Center for Cancer Genetics and Therapeutics (Kinzler-Vogelstein lab). As a clinical investigator in neuro-oncology, his research is focused on novel trials and translational biomarker studies in malignant gliomas and primary central nervous system lymphomas. He has led and contributed to numerous clinical trials, publications and presentations. Dr. Holdhoff serves as the director of the solid tumor inpatient service at the Sidney Kimmel Comprehensive Cancer Center. He is passionately involved in mentoring and teaching of fellows, residents and students. He is the director of the UCNS-certified neuro-oncology fellowship program at Johns Hopkins, and he is a teaching attending physician for the Osler internal medicine residency program. Dr. Holdhoff is rated as an Elite provider by MediFind in the treatment of Brain Stem Cancer. His top areas of expertise are Glioma, Glioblastoma, Astrocytoma, and Brain Tumor.