My motivation has always been to do technology apps and companies, not making money. Just because the money's come, nothing's changed.

I like playing sport. I'm a bit of a design enthusiast, and like spending time with my girlfriend and mates.

I put together an iPhone app called TrimIt and released that in July 2011. About a month later, the private fund of the Hong Kong billionaire Li-Kashing cold emailed me and expressed an interest to invest, but they didn't realize I was 15. They thought it was a U.K. company with a team.

There is a generation of skimmers. It's not that they don't want to read in-depth content, but they want to evaluate what the content is before they commit time. Especially on a mobile phone - you don't have the phone, or cellular data, or screen size to be reading full-length content.

In 2008, people who invested in hedge funds needed capital badly, but many of the funds would not return their money. However, I gave money back to any investor who requested it. It was the bottom of the market and a pretty tough time.

You find out two executives are planning to break their contracts, keep the money you gave them, and steal 40 employees. What do you do? You fire them.

Sometimes it looks like the board and the chairman are the worst enemy of the manager and the coaching staff, the football versus the financial side.

I think one problem we've had is that people who are smart and creative and innovative as engineers went into financial engineering.