What do you do about high-performing team members who are also problems for everyone else? They may be the best deal-maker, or the best at operations or an amazing engineer — but they upset their colleagues, refuse to cooperate or otherwise poison the workplace. Do you simply fire them, losing the benefit of their skills and knowledge? Or do you focus on trying to develop their people skills and empathy so they can stay on the team? And where do you even start in dealing with this issue?