Julia Child invented the idea of a kitchen brigade because she believed the delegation of responsibilities to various people in the work environment was the best (and only) way to ensure all tasks were done quickly and with integrity.
Possibly the most important of all station cooks, what chef is in charge of dashing into any station in need of support, which means they need a working knowledge of all areas, from meat to veggies to sauce?
chef de tournant
sous chef
fiturier
boucher