Wilmot Cancer Institute / Cancers We Treat / Brain & Spinal Cord Tumors / Our Team Our Team DirectorKevin A. Walter, MDNeurosurgeryWebster H. Pilcher, MD, PhDTyler Schmidt, DOHoward Silberstein, MDNicholas Ullman, MD, MSCIG. Edward Vates, MD, PhDMelissa Simpson, NPValerie Phillips, PACMegan Solimano, NPSusan O. Smith, ANP-CNeuro-oncologyMaxmine Jean, MD, PhDDavid Korones, MDNimish Mohile, MDSara Hardy, MDLauryn Hemminger, MDJacqueline M. Behr, RN, MS, FNPJennifer N. Serventi, R-PAC, CCRPRadiation OncologyNicholas DeNunzio, M.D., Ph.D.Michael T. Milano, MD, PhDKenneth Y. Usuki, MDEndocrinologyLaura Calvi, MDOncology Social WorkerBarbara K. Guttman, LMSW