Steve Cohen is changing what it means to be a star employee. His family office, Point72 Asset Management, is rolling out a new way of measuring performance that will identify core, necessary skills and rank them on a six-point scale. "A job is really just a cluster of skills, and now we have a way to talk about that with a lot more precision that informs every stage of the process," Mike Butler, Point72's head of human capital management told Business Insider.