Work is challenging for lots of reasons, but most of us have probably come to realize that what makes or break a professional experience is people - and sometimes we encounter a boss, peer, or direct report that isn’t at all fun to work with. Amy Gallo is a contributing editor at HBR, and author of the book "Getting Along: How to Work with Anyone, Even Difficult People" and the HBR article “How to Navigate Conflict with a Coworker.” She shares some of the best ways to deal with these kinds of colleagues – how to identify them, engage with them, and manage yourself through the conflict.