Dr. Koldobskiy is an Instructor of Pediatric Oncology and Pediatric Neuro-Oncology at the Sidney Kimmel Comprehensive Cancer Center. He received his B.S. and M.S. from Yale University and M.D./Ph.D. in the Medical Scientist Training Program at Johns Hopkins, conducting his thesis research with Dr. Solomon Snyder in Pharmacology and Molecular Sciences. He completed his Pediatrics residency training at Johns Hopkins and his Pediatric Hematology and Oncology fellowship training in the joint Johns Hopkins/National Institutes of Health program. He studies epigenetic variability in childhood cancer.