City of Hope's neurosurgeon and scientist, Rahul Jandial, M.D., Ph.D., specializes in brain, spine and spinal cord cancers.

Lisa Feldman, M.D., Ph.D., is a neurosurgeon and assistant professor in the Department of Surgery at City of Hope.

Kumar Gaurav, M.D. is an interventional pulmonologist and critical care physician at City of Hope Cancer Center Chicago (formerly Cancer Treatment Centers of America [CTCA]). Dr. Gaurav focuses on the screening, diagnosis and staging of lung cancers, as well as management of malignant airway obstructions. He also provides care to patients who have pulmonary issues such as asthma, chronic obstructive pulmonary disease (COPD), interstitial lung disease, cystic fibrosis, pneumonia, pulmonary hypertension and others. Dr. Gaurav also focuses on critical care medicine. He treats seriously or critically ill patients who have life-threatening conditions.