His work focuses on immersive experience design and embodied interface design with an emphasis on the consideration of the interplay between emotion, cognition, and perception. Mark is the Chairman of Fakespace Labs, has designed a number of tactile interface devices including early work on multi-user workbench and tabletop systems, and was the recipient of the IEEE 2005 award for Seminal Technical Achievement in Virtual & Augmented Reality by the Visualization and Graphics Technical Committee.