James Costley-White is the editor of Mountain Biking UK (MBUK), the UK's best-selling mountain biking magazine, founded in 1988. James, often known as JCW, has been an avid mountain biker since 1992, during which time he's amassed a huge amount of knowledge about the sport and masses of riding experience. He can regularly be found riding the trails around Bristol and south Wales. As well as editing MBUK, JCW contributes regular product reviews and other articles to the magazine. He's a fully-qualified professional journalist, certified as a senior reporter by the National Council for the Training of Journalists (NCTJ) and holds a postgraduate diploma in journalism from Cardiff University's School of Journalism, Media and Culture. As well as heading up MBUK, he's worked for other cycling titles including BikeRadar.com, ChopMTB.com and Triathlon Plus magazine, along with the Bristol Post, Western Daily Press, Gloucestershire Echo and Gloucester Citizen newspapers.