JENNIFER LANG, MD, is the cofounder and creator of Buzz llc, a social impact tech start-up working to address the sexual assault epidemic on college campuses. She received her medical education at Albert Einstein College of Medicine in New York, where she received the Dean's Award: "Holding Promise for the Future of Medicine." She completed her residency in Obstetrics and Gynecology at St. Luke's/Roosevelt Hospital Center of Columbia University College of Physicians and Surgeons in New York City. She practiced as a board-certified ob-gyn and gynecologic oncologist, specializing in integrative and preventative medicine, and minimally invasive and robotic surgery. In 2013, she cofounded an international medical nonprofit that delivers cervical cancer prevention services to women in resource-poor countries. Since then, the nonprofit has grown to support 80 clinics spanning Africa, Asia, the Caribbean, and Central America. She is the author of The Whole 9 Months: A Week-By-Week Pregnancy Guide with Recipes for a Healthy Start, and mother of three intelligent (and slightly precocious) kids, who always ask the hardest questions.