America's Test Kitchen is a half-hour cooking show distributed to public television stations and Create in the United States, which are also available in most Canadian markets. The show's host for seasons 1-16 was Cook's Illustrated ’s former editor-in-chief Christopher Kimball. New co-hosts Julia Collin Davison and Bridget Lancaster will take over starting in season 17 (January 2017). The show is affiliated with Cook's Illustrated and Cook's Country magazines, and the magazines' new test kitchen facility at the Innovation and Design Building in Boston, Massachusetts will be used as a set for the show.
Cook's Illustrated's parent company, America’s Test Kitchen Inc. has marketed its publishing and media activities under the America's Test Kitchen brand since 2004, while retaining its corporate name. America’s Test Kitchen has launched more than 100 books, including several New York Times best sellers. Additionally, they introduced Cook’s Science, a free online resource dedicated to providing high-quality article, recipes, and videos. Source