Sommer Gentry is an Associate Professor of Mathematics at the U.S. Naval Academy and a faculty member at the Johns Hopkins University School of Medicine. She has a B.S. in mathematical and computational science and an M.S. in operations research, both from Stanford University, and a Ph.D. in electrical engineering and computer science from MIT. As a DOE CSGF recipient, her essay won an award for excellence in communicating computational science to a lay audience. Sommer also is a Senior Investigator with the Scientific Registry for Transplant Recipients. She designed donor matching optimization methods for nationwide kidney paired donation registries in the United States and Canada and now is creating optimized sharing boundaries to help the Organ Procurement and Transplantation Network reduce geographic disparity in liver allocation. Her work has been featured in major media outlets including Time, Reader’s Digest, Science, the Discovery Channel and National Public Radio. Gentry received the MAA’s Henry L. Alder award for distinguished teaching by a beginning mathematics faculty member.