LINCHPIN - ARE YOU INDISPENSABLE

(...) There used to be two teams in every workplace: management and labor. Now there's a third team, the linchpins. These people invent, lead (regardless of title), connect others, make things happen, and create order out of chaos. They figure out what to do when there'se no rule book. They delight and challenge their customers and peers. They love their work, pour their best selves into it, and turn each day into a kind of art.

Linchpins are the essential building blocks of great organizations. (...)