Learn how to Master 7 Different Knife Cuts. Holding a knife is like driving in the car, you’ve got to feel so comfortable on that wheel. But more importantly, you have to relax your hands. Chef John started his career in a five-star Shanghai hotel in China in the 1980s. In the decades since, he has worked with master chefs and honed his craft to create Michelin Star-quality food. Elevate your knife skills with Chef John.