MARISA C. WEISS, M.D., is the president and founder of Breastcancer.org. She currently practices at Lankenau Hospital in the Philadelphia area, where she serves as Director of Breast Radiation Oncology and Director of Breast Health Outreach. Her daughter, ISABEL FRIEDMAN, is a college student at the University of Pennsylvania, who recently graduated from Friends’ Central School in the Philadelphia area and was an assistant teacher at the Children’s School of Science in Woods Hole, Massachusetts.