Alan Wray (NASA ARC - retired) is a former Modeling Team leader. Alan develops simulation algorithms, codes, and models for simulating stellar convection zones and atmospheres and for reentry radiative transfer. His current research interests include: NLTE simulations of MHD plasmas, efficient computation of multi-species radiative transfer, and simulation of planetary disks and planet formation. He is also a developer of parallelization methodologies for large-scale simulations.