Are Martyrs Hurting Your Internal Recruiting Efforts?
That person that works late, comes in early busts their ass at your company is often loved. However there's a dark side that I learned, they are working so hard that others look at them as the example.
Those thoroughbreds in your company are a rare breed, make sure they leave, even if they work offline at home, don't let them make others feels that they are the "pace setter".