Gladimir V. G. Baranoski received a Ph.D. in Computer Science from the University of Calgary in 1998. He is currently an Associate Professor at the School of Computer Science and the leader of the Natural Phenomena Simulation Group at the University of Waterloo, Canada. He is also a senior member of IEEE and a member of the editorial board of the Elsevier journal Computers & Graphics.Aravind Krishnaswamy received his BMath and MMath in Computer Science from the University of Waterloo. He is currently a Senior Computer Scientist with the Visual Computing Lab at Adobe Systems Inc. During his time there, he has been involved in the research and development of real-time photo realistic image synthesis technology (incorporated into Adobe Photoshop®, Bridge®, and After Effects®) as well as the development of new material models.