Kieran Doherty is a Northern Irish writer, TV format creator and Executive Producer. He is also the Joint Managing Director of Stellify Media, alongside his creative and business partner, Matthew Worthy. Doherty & Worthy have co-created multiple entertainment formats - including the international formats Secret Fortune and Take The Money and Run - while working for UK independent production company Wild Rover Productions. In 2014 Doherty & Worthy launched the production company Stellify Media as a joint venture with Sony Pictures Television. Stellify Media is best known for successfully rebooting Who Wants to Be a Millionaire? with Jeremy Clarkson for ITV, and Blind Date with Paul O'Grady for Channel 5.

Stellify Media is a Northern Irish television production company. Stellify was formed by Kieran Doherty and Matthew Worthy as a joint venture with Sony Pictures Television.