Vision and priorities should precede actions. Actions should be judged through the prism of how the firm adds value and the key competencies it seeks to build.

There are three main areas of focus: vision, priorities and alignment. It is critical to articulate a clear vision - how do we add value based on what key competences? Some leaders fail to be clear enough or fail to update the vision based on changes in their industry and in the world.

Why do leaders fail? Isolation and inability to learn. They are afraid to express doubt, admit vulnerability or seek advice from subordinates. Leaders must actively work to seek feedback and a reality check. They must be open to asking questions and framing issues. As the world becomes more complex and global, the risk of isolation becomes greater. The need for leaders to be open to learning becomes greater. Great leaders will need to ask the right questions and balance inquiry with advocacy.

I loved my career at Goldman Sachs. I believed in business principle number 1: if the client succeeds, our own success will follow. This principle formed the basis for my career and my leadership style.

The vision must be realistic - it has to be based on clear distinctive competencies. Again, what would the world lose if you didn't exist? A vision is very powerful because it gives you a basis to judge every action you take. Every action should be viewed through the prism of whether it furthers the vision.

Passion is the rocket fuel that helps you perform at your best. It helps you get through bad days, injustices, hardships and disappointments. It is hard to perform at a high level for a sustained period of time without passion for what you're doing.

There are multiple ways to solve a problem and add value. There are seldom right answers. So, you've got to use your abilities to diagnose a situation and use your best judgment on what to do and how to do it. You WILL make mistakes - when you do, admit them and go back and try to fix them. I don't know is often the right answer.