SBTV's Jamal Edwards: Money hasn't changed me
23 August 2013 Last updated at 09:23 BST
Jamal Edwards started an online TV network when he was only 15. He is now 22 and estimated to be worth £8m.
He began filming his friends rapping on the estate where he lived - and posting the videos on the internet via YouTube. It was his focus on a particular type of urban music - grime - that started to attract viewers.
Seven years later those homemade videos have grown into a fully-fledged internet TV channel - SBTV - with almost 350,000 subscribers. It's now one of You Tube's most profitable channels.
Speaking to the Today programme, Mr Edwards said: "I've never changed, the surroundings have changed around me.
"I'm still the same person regardless of money. I don't let money and clothes define who I am - I never have and I never will."
First broadcast on the Today programme on Friday 23 August.