There is nothing like the voice of experience. It is one thing to learn the process for making something happen—it's quite another to learn from someone who has already done it. There has been much written on what skills executives need for success—teamwork, operational proficiency, communication skills, and more (see Are You Picking the Right Leaders?). Any assessment of a top executive begins with their unit’s financial and operating metrics and progress against strategy. But the former does not illuminate key management attributes. There’s nothing like hands-on experience with solving a problem (see Evaluating the CEO). In our executive roundtables,…