Dion is a qualified exercise physiologist and has been racing bicycles since the early 2000's, first starting out as a professional triathlete before moving into road cycling and mountain biking. He now finds his enjoyment in ultra distance cycling, where he races competitively and guides athletes to their best performances.With his degree and past performance he has the ability to apply the science to training. He is also the founder of the Pain Cave cycling performance centers in South Africa.