Jonathan P. Winickoff, MD, MPH, is a practicing general pediatrician and researcher. With over 100 peer-reviewed publications, Dr. Winickoff's research focuses on strategies to address tobacco use and exposure in families; current work includes CEASE (Clinical and Community Effort Against Secondhand Smoke Exposure), as well as projects related to thirdhand smoke,regulating smoking in multiunit housing, and raising the purchase age of tobacco to 21. As the past Chair of the AAP Tobacco Consortium, Dr. Winickoff works with pediatric tobacco control researchers across the country to develop the best tobacco practices for child healthcare settings. Dr. Winickoff is a Professor of Pediatrics at Harvard Medical School and MassGeneral Hospital for Children. Dr. Winickoff was educated at Yale University, Harvard Medical School, and Harvard School of Public Health and completed his pediatric residency at Boston Children's Hospital and Boston Medical Center and fellowship in health services research at Harvard Medical School and Massachusetts General Hospital.