Professor Lewis earned her A.B. in Government from Harvard College and her J.D. from Columbia Law School. During law school, she was a case law editor of the Columbia Journal of European Law.

Following law school, Professor Lewis spent approximately four years as an attorney at the U.S. Nuclear Regulatory Commission. While employed by the U.S. Nuclear Regulatory Commission, Professor Lewis also completed a seven-month detail as a Special Assistant U.S. Attorney for the District of Columbia, where she prosecuted domestic violence cases. Prior to joining the William & Mary faculty, she was an Assistant Professor at the Howard University School of Law and a Visiting Assistant Professor at the IIT Chicago-Kent College of Law.

Professor Lewis' research considers how health law, family law, and criminal law respond to scientific innovations. Her research and teaching interests include health law, family law, administrative law, and bioethics. In 2018, Professor Lewis was one of four professors selected nationwide as a Health Law Scholar by the American Society of Law, Medicine and Ethics and the Saint Louis University Law School’s Center for Health Law Studies. Professor Lewis is a member of the New York Bar and speaks French and Spanish.