... I use high contrast imaging from both ground and space to study young stars, circumstellar disks, and extrasolar planets. I am a member of the Telescopes group at STScI, working on issues of wavefront control, optical modeling, and high contrast imaging in support of the James Webb Space Telescope. ... Multiwavelength Imaging and Modeling of Edge-on Circumstellar Disks . HST NICMOS Imaging Polarimetry of Disks around Herbig Ae Stars . ... Optical modeling and simulations for JWST . ...