One of the most exciting — and frightening — career transitions comes when you face the prospect of a management role for the first time. Over my career of building businesses, advising CEOs, and, most recent, exploring the philosophies and beliefs of 100 of the world’s most respected leaders for my latest book, Good People, I’ve clarified many of the top things a great new manager or leader can do. Whether you’re still in the interview stage or are in the wake of a successful promotion to leadership, there are a few must-know principles that will place you on a successful path. Here are five of them.