who are the chefs on america's test kitchen
America's Test Kitchen America's Test Kitchen features several recurring cast members, although not every cast member appears in each episode.[3] Julia Collin Davison (identified on-screen before season 7 as "Julia Collin"), Bridget Lancaster, Kay Rentschler, Rebecca "Becky" Hays, Sandra Wu, Yvonne Ruperti, J. Kenji Alt (now J. Kenji Lopez-Alt), Erika Bruce, Bryan Roof and Dan Souza are the chefs who explain and prepare the recipes in each episode as Kimball watches and comments. Yvonne Ruperti and J. Kenji Lopez-Alt departed the company in 2011 and 2009 respectively. Usually only one or two of the chefs will appear in an episode. Collin-Davison, Lancaster and Rentschler appeared as regular cast members on season 1. Since, Rentschler moved to the positions of Culinary Producer and Executive Chef by season 2 and appeared in only one episode that season, before leaving the show by Season 3.[citation needed] Hays joined the permanent cast in season 5, Bruce, Wu, and Ruperti each appear for a single season (seasons 5, 6, and 8, respectively), and Alt appears in seasons 7 and 8. All are prominent recipe testers or editors in Cook's Illustrated. Beginning in season 5, Cookâ€™s Illustrated staff chefs Hays, Bruce, Jeremy Sauer, and Matthew Card appeared in segments answering common viewer mail questions. Hays, Bruce, and Sauer joined the on-camera cast for season 6; Hays moved into credited cast member status beginning in season 7. Roof and Souza were added to the regular cast starting season 15.