Dan Wheeler was the star of Channel 4's Super Slimmers and is now a celebrity fitness guru. He lost an incredible 8 stone - and has kept it off. His transformation gave him all of the knowledge he needed to create the 80/20 lifestyle plan.

Dan previously worked in marketing, but quit his job to become a personal trainer and nutritionist. Now Dan wants to inspire others to follow in his footsteps by giving them the tools to change their mindset and body forever.

Justin Flom is best known for his YouTube series and television show Wizard Wars in which he performs magic with ordinary objects. Along with his video and television work, he performs live with either his own touring show or opening for music acts in large venues