Wen, Leana: - Dr. Leana Wen is an emergency physician, public health professor at George Washington University, and nonresident senior fellow at the Brookings Institution. She is also a contributing columnist for the Washington Post and a CNN medical analyst. Previously, she served as Baltimore's health commissioner, where she led the nation's oldest continuously operating public health department. She is the author of the patient advocacy book, When Doctors Don't Listen: How to Avoid Misdiagnoses and Unnecessary Tests and the new memoir, Lifelines: A Doctor's Journey in the Fight for Public Health. Dr. Wen lives with her husband and their two young children in Baltimore.