Rich is a board-certified neuro-oncologist and renowned physician-scientist specializing in diagnosing and treating brain tumors, with a focus on brain metastases. He works collaboratively with neurosurgeons and medical and radiation oncologists to help create personalized treatment plans for patients. He is an internationally recognized researcher in brain tumor biology, studying cancer stem cells’ clinical relevance and how they interact with the tumor microenvironment to help the cancers grow and resist current treatments.