Ashton Applewhite, an internationally recognized expert on ageism and a leading spokesperson for a movement to mobilize against discrimination on the basis of age, is the author of This Chair Rocks: A Manifesto Against Ageism. She also blogs at ThisChairRocks.com and runs the Yo, Is This Ageist? website. Applewhite speaks widely at a wide range of venues that have included the TED main stage and the United Nations.