Dave Brailsford has spearheaded the track cycling revolution in Britain, helping turn the nation into a superpower. He is also head of Team Sky and oversaw Bradley Wiggins' victory at the 2012 Tour de France. But who is the man behind the mask?

This is a portrait of one of the most enigmatic presences in world sport; an exploration of his background, a unique insight into the formation of his methodology and an analysis of how he has forged a new path in a sport riven with controversy.