We're often asked this question - what characteristics do good leaders show? And to be honest, we're not entirely sure. So we decided to talk to 25 people who definitely are good leaders for our new book, Wild Thinking.

Nick spoke to Startup Nation about what he discovered from his conversations with Google, Dropbox, McLaren, Wimbledon, Comic Relief, V&A and many more...

Read what he had to say here about the biggest challenges entrepreneurs face, and the importance of talking about paranoia, fear, hate and kindness. And guess what - we're pretty short on language when it comes to the emotional landscape of work.