Kenneth R. Ginsburg, MD, MS Ed, FAAP, practices adolescent medicine at Children' s Hospital of Philadelphia and is a professor of pediatrics at the University of Pennsylvania Perelman School of Medicine. He is the founding director of the Center for Parent and Teen Communication. His books include Congrats- You' re Having a Teen! and Building Resilience in Children and Teens. He is the father of 2 young adults and lives in Philadelphia, PA.