The ability to achieve large or long-running goals is a hallmark of a great leader. One might assume it takes an elite level of skill or domain knowledge to accomplish most business goals but in my experience it hinges much more on the ability to plan, organize, execute, monitor, and adjust as time goes on. The key is treating a business goal as a "project" that warrants tracking what needs to happen by when.
Anyone who has been in the workforce for long has suffered through a painful meeting or two (or three). Most of us have enjoyed some great meetings as well. In my career, especially in consulting, I have experienced plenty of both. So, what takes a meeting from pointless to productive?