Billie Louise (Beezy) Bentzen, PhD, is a Certified Orientation and Mobility Specialist and experimental psychologist who has conducted human factors research in wayfinding and mobility of people who are blind or who have low vision for more than 30 years. Her research has included large print, tactile, and electronic signs, audible signs, tactile maps, accessible pedestrian signals, visual contrast, detectable warnings, accessibility of roundabouts, and a variety of wayfinding technologies. Beezy is the author of more than 80 professional publications,and she has completed more than 35 sponsored research projects on accessibility and wayfinding for people with visual impairments.Results of her research are reflected in the American National Standards Institute A117.1-2009 Standard on Accessible and Usable Buildings and Facilities, the US Department of Transportation's Americans with Disabilities Act (ADA) Standards for Transportation Facilities, draft ADA standards for accessible public rights-of-way, and the Federal Highway Administration's Manual on Uniform Traffic Control Devices. She is the founder of Accessible Design for the Blind, a company involved in human factors research and consultation in making the built environment more accessible to people who have visual impairments, where she continues as Director of Research. www.accessforblind.orgBeezy is also Member of the Board of Directors for Jhamtse International, an organization dedicated to ending suffering and bringing about positive change in the world through education, community programs, and projects based on the principles of love, compassion, and wisdom. The major project of Jhamtse International is Jhamtse Gatsal Children's Community in remote northeastern India. The name means Garden of Love and Compassion, in Tibetan. Beezy volunteers annually at Jhamtse Gatsal, which has become a major inspiration in her life. jhamtsegatsal.org