Sarah E. Light is a Professor of Legal Studies and Business Ethics at The Wharton School of Business at the University of Pennsylvania. In this role, she teaches courses on Environmental Management, Law and Policy, and Negotiation.

Prior to her academic career at Wharton, Light served for ten years as an Assistant United States Attorney for the Southern District of New York, Civil Division. For four of those years, she was the Chief of the Office's Environmental Protection Unit.