For more than 30 years, Bonnie Barlow has been involved in the narration and writing of audio description for the theatre, television, feature films, museums, historical sites, and more. Bonnie gives us an introduction to the role of an audio description specialist and her professional approach to providing accessible services for people who are blind and visually impaired. Bonnie is also a trainer of other audio description specialists and shares some of the foundational lessons and core principles she teaches.