Seasoned Leader – In the post-Quesalupa world that is the Taco Bell test kitchen, Brad Natsume (M.S. ’13) adds his expertise to the mix, chasing the next great menu item.In the post-Quesalupa world that is the Taco Bell test kitchen, Brad Natsume (M.S. ’13) adds his expertise to the mix, chasing the next great menu item.