John Maxwell’s blog discusses the value of mentors in leadership

http://www.johnmaxwell.com/blog/3-ways-my-mentors-have-changed-my-life

Mentors matter, and having the right mentor matters even more. You see, the right mentor expands your vision. They help you see farther, and stretch your horizons. They help you see more by uncovering your blind spots. And they help you see clearly to discover your best path to success. That’s why I’ve chosen mentors at every step along my journey. I can’t see it all, I can’t know it all – and neither can you. We all need someone to help us in our pursuit of intentional growth, and the right mentor helps you take massive leaps forward.

Mentors do three things for you:

1. They know the way – so they have insights and wisdom born from experience.

2. They show the way – by generously applying their insight and wisdom to your specific situation.

3. They go the way – by walking with you through your own journey and helping you learn from your experiences.