Dr. Leana Wen is an emergency physician and Visiting Professor of Health Policy and Management at the George Washington University School of Public Health. She is also a contributing columnist for The Washington Post, writing on health policy and public health. As an expert in pandemic preparedness and response, she is an on-air commentator for CNN as a medical analyst and has been a frequent guest expert on the covid-19 crisis for CNN, MSNBC, BBC, and National Public Radio.