Bruce N. Walker is a Professor at Georgia Tech, in the Schools of Psychology and Interactive Computing. His Sonification Lab studies the human-computer interaction (HCI) issues in non-traditional interfaces, ranging from mobile devices, to cockpits and vehicle displays, to multimodal interfaces in education and in complex task environments. Particular research interests include sonification and auditory displays. Professor Walker teaches HCI, Sensation & Perception, Auditory Interfaces, and Assistive Technology. In addition to academic research leading to over 150 publications, he has worked and consulted on projects for NASA, state and federal governments, the military, and private companies.