Stephanie M. Perkins, MD, accomplished expert in pediatric and proton radiation, has been named the S. Lee Kling Endowed Chair in Radiation Oncology at The Foundation for Barnes-Jewish Hospital. As director of the S. Lee Kling Proton Therapy Center at Siteman Cancer Center over the last three years, her exemplary leadership has cemented her position as a national leader dedicated to improving patient outcomes and advancing the proton therapy field.