Colin Maclachlan joined the Royal Scots when he was 15. He spent 10 years in the Regiment and then a further 12 years as a member of the SAS.

He left the armed forces in his late 30's and studied history at Edinburgh University where he gained a first class honours degree.

He is a trained hostage negotiator and now works as a security consultant and emergency planner. He was one of the elite team of special forces veterans on the Channel 4 TV series SAS: Who Dares Wins.

Anthony Middleton, Colin Maclachlan, Jason 'Foxy' Fox and Matthew 'Ollie' Ollerton make up the Directing Staff on the Channel 4 series SAS: Who Dares Wins, where they put members of the public through the rigours of a simulated SAS selection process.

Together they have dozens of tours of Afghanistan, Northern Ireland, Iraq and Sierra Leone under their belts and have all served in the UK's Special Forces (SAS or SBS).

Jason Fox joined the Royal Marine Commandos at sixteen, serving for ten years, after which he passed the gruelling selection process for the Special Forces, serving with the Special Boat Service for over a decade and reaching the rank of Sergeant.Today you are most likely to find him gracing our television screens and giving us a taste of action and adventure around the world.