Leana S. Wen, a Washington Post contributing columnist, writes on a broad range of topics with an emphasis on public health and health policy. Wen is a visiting professor of health policy and management at the George Washington University Milken Institute School of Public Health, a nonresident senior fellow at the Brookings Institution and author of the forthcoming book "Lifelines: A Doctor's Journey in the Fight for the Public's Health." An emergency physician and CNN medical analyst, she is on the board of directors of the Bipartisan Policy Center, Glaukos Corporation and Baltimore Community Foundation, and on the advisory boards of the Behavioral Health Group and Shatterproof. Previously, she served as Baltimore’s health commissioner and led the nation’s oldest continuously operating health department. She has also been the director of patient-centered care research in the department of emergency medicine at George Washington University; president of Planned Parenthood; global health fellow at the World Health Organization; and distinguished fellow at the Fitzhugh Mullan Institute for Health Workforce Equity. Wen lives with her husband and their toddler and baby in Baltimore.