5 Ways To Listen Better - TED Talk by Julian Treasure

Without listening there is no understanding. And without understanding there can be no progress.

How To Speak So That People Want To Listen - TED Talk by Julian Treasure

Or why how we speak is as important as what we speak.

 

Mirror Neurons - TED-Ed Talk by VS Ramachandran

Or how a small group of neurons shaped human culture and civilization as we know them.

Great Leadership Starts With Self-Leadership - TEDx Talk by Lars Sudmann

Or why before leading others you first need to be able to lead yourself.

3 Things I Learned While My Plane Crashed - TED Talk by Ric Elias

A must-see TED talk about a real life-changing experience.

Why Good Leaders Make You Feel Safe - TED Talk by Simon Sinek

Why You Should Have Your Own Black Box - TEDx Talk by Matthew Syed

Or how failures that we learn from are key to our success.
I also recommend his book on this topic - Black Box Thinking.