Carlson Center for Imaging Science, RIT. He received his PhD in 1990 from Johns Hopkins University and has taught physics and optics at the Worcester Polytechnic Institute and the University of Arizona before coming to RIT in 2008. His research interests include high-contrast imaging for exoplanet detection, computational imaging, and radiation pressure techniques for future solar sailing missions. He is a member of SPIE and a fellow of the OSA.