It is the arch-nemesis of the manager. The Individual Contributor (IC) is a non-management member of a business team that actually contributes to the goals and mission of the company. An IC typically talks normal, unlike management ablaze with buzz words/phrases like: synergy, low hanging fruit, things of that nature, etc.
"Who's gonna do this work today?"

"Not me, I'm a manager. It it up to my Individual Contributors to help us meet our goals this week."
by Fudge Dragon Slayer December 15, 2011
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