Determine if they have a chip on their shoulder . Do they have something to prove? Where’s the hole they’re looking to fill? Ideally, you’d get someone with obvious talent/drive that is misunderstood by the world. Those types of people will run through walls to reconcile their internal view of themselves with external perception.
Find out their wins above replacement. Through the stories they tell, look to see if the end result of the thing they did would have been significantly worse without their involvement. Try to separate their actions from those of their team or the circumstance. This quality should both highlight their talents and their sense of agency and
