It's no secret that professional relationships are a career asset. Just look at the success of LinkedIn. The social media platform is so successful because it helps facilitate relationships that are critical for moving millions of careers forward.
But sometimes it can be tricky to identify which kind of relationship is most helpful at particular stages in your career. If you're just starting out in a new field you may need a coach, but if you're looking for advice on how to be a better manager, a mentor may be a better fit.