The Optical Society (OSA), SPIE, the international society for optics and photonics, and the Materials Research Society (MRS) are pleased to announce the 2015-2016 Congressional Science and Engineering Fellows. Jennifer Brookes, a Ph.D. candidate at the University of Washington, will serve as the 2015-2016 Arthur H. Guenther Congressional Fellow, which is co-sponsored by OSA and SPIE; and Peter W. Winter, Ph. D., a postdoctoral fellow at the National Institutes of Health, will serve as the OSA/MRS Congressional Fellow.