Dragon's Den's Steven Bartlett set to become youngest ever dragon - who is he? Steven Bartlett was included in Forbes '30 under 30' list, has a net worth of about £50 million and launched a £300 million business The video will auto-play soon8Cancel Play now Get the latest nostalgia features and photo stories straight to your inboxInvalid EmailSomething went wrong, please try again later. Subscribe When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice We're used to seeing the stern faces of the Dragon's Den entrepreneurs sat in their chairs and judging the entrepreneurial wannabes that brave that pitch meeting floor.