WILLIAM C. MANN, OTR, PhD, is Professor and Chair of the Department of Occupational Therapy and Director of the Rehabilitation Science Doctoral Program at the University of Florida. His research focus is on aging and disability, with an emphasis on compensatory strategies to maintain and promote independence. Since 1991, he has served as Principal Investigator for the NIDRR-funded Rehabilitation Engineering Research Center on Aging. In the past fifteen years, Dr. Mann has authored more that 100 articles and book chapters on assistive technology, two books on assistive technology, and founded and served as editor of the journal Technology and Disability from 1990 to 2000. As an expert on aging and disability, Dr. Mann is a frequent lecturer at local, national, and international conferences and symposiums. Prior to his move to the University of Florida in 2000, Dr. Mann served as professor and chair of occupational therapy at the University of Buffalo, where he developed a curriculum in rehabilitation technology, and also established and directed the internationally recognized Center for Assistive Technology.