For me, 'The Kite Runner' became about a guy who's emotionally shut down because he hasn't confronted his past.

The interesting thing is that when you start out, people have no judgment and they see you young and fresh as a filmmaker - and because you have no experience yet, you're much more naive and think anything is possible.

Three days after my brother died, my father was in the hospital. He just did not want to live anymore. Before, he was fighting and loving life.

One of the main reasons I wanted to work on 'World War Z' was because I'm a huge fan of the book, and I love the idea of taking a non-linear story and creating a three-act structure out of it.