Melanie Hayden Gephart, MD brain tumor neurosurgeon, treating patients with malignant and benign tumors, including gliomas, brain metastases, meningiomas, and schwannomas. She serves as Director of Stanford Brain Metastases Consortium and Co-Director of the Stanford Brain Tumor Center at Stanford University. She studies how rare cancer cell populations survive and migrate in the brain, inadvertently supported by native brain cells, and develops novel cerebrospinal fluid-based biomarkers to track brain cancer treatment response, relapse, and neurotoxicity.