They’re different skill sets. This is true in the corporate world as well. People who are great Directors or VPs get promoted to the C-Suite and fail or go from a CXO to CEO and fail. It’s a common executive leadership concept known as “what got you here won’t get you there.” It means that as you move up in levels of leadership, the skills needed for success change and you have to adapt, you can’t just do what you have always done.