Simon Waterson joined the Royal Naval Commandos when he was 16, serving in the 845 Naval Air Commando Squadron, special forces. He served for 7 years. As well as being a physical training instructor, he was in Bosnia for 2 years and was given the UN Medal and Land Campaign Medal for the campaign. He has trained Pierce Brosnan and other actors in the World is Not Enough. Most recently he has worked with Geri Halliwell.