Marisa Jones is the healthy communities senior manager for the Safe Routes to School National Partnership, supporting community efforts to improve transportation options and increase access to healthy food. Ms. Jones has also worked at the University of Pennsylvania School of Medicine, conducting research on racial disparities in breast cancer prediction models. She earned a bachelor’s degree in community health and political science from Tufts University and a master’s degree in social policy from the University of Pennsylvania. Ms. Jones is the recipient of Penn’s Wilson-Spigner Award for Social Policy Excellence. Alex Ortega, Ph.D., is professor of health policy and chair of the Department of Health Management and Policy and director of the Center for Population Health and Community Impact in the Dornsife School of Public Health at Drexel University. Dr. Ortega has served on the faculties of Yale University, UCLA, and Ohio State University. He is an advocate for improving the health and well-being of Latino children and families, especially the undocumented. With colleagues he worked to bring healthier food to Latino communities in Los Angeles County. He has received multiple awards, including the Distinguished Nationally Known Health Professional Award, given by the Latino Caucus of the American Public Health Association. Christopher Renjilian, M.D., is a pediatrician at Children’s Hospital of Philadelphia whose areas of interest include sports medicine and adolescent health. In his research, he has studied after-school programs that combine mentorship and running, seeking to understand how such programs can help young people to build social connections and individual strengths. He is a founding physician leader of NaturePHL, a partnership initiative that engages pediatricians to prescribe outdoor recreation for Philadelphia’s children and families with the support of innovative counseling, programming, and information resources. Dr. Renjilian earned a bachelor’s degree from the College of William and Mary and a master’s degree in bioethics and a medical degree from the Perelman School of Medicine at the University of Pennsylvania. Jarrett Stein is executive director and cofounder of Rebel Ventures, a student-run healthy food initiative that operates within the University of Pennsylvania’s Netter Center for Community Partnerships. He also serves as the Netter Center’s director of health partnerships and social enterprise. Previously, he was the community engagement coordinator at the Agatston Urban Nutrition Initiative, which is also in the Netter Center. Mr. Stein earned his bachelor’s and master’s degrees at Penn. 39