I'd go right for the top of the food chain.
Went clear through the food chain in less than a month.
And even higher on the food chain if your business is really big.
Man was no longer at the top of the food chain.
"Well, you can actually work your way up the food chain and get a management job."
So with each step up the food chain, most of the energy is lost.
I feel I'm at the top of the food chain.
I like being at the top of the food chain.
We need to do it in the whole food chain.
Had to be for someone higher up on one of his various food chains.