Video interview: Professor Greg Whyte

Annie Emmerson chats to Professor Greg Whyte about  the 2011 Virgin London Marathon.

Professor Greg Whyte is the preemminent authority on Exercise Physiology and Sports Performance and Rehabilitation in the UK. An internationally recognised expert in the area, Greg has extensive professional experience assessing, treating and improving the performance of athletes and sporting enthusiast ranging from celebrities attempting their first mountain summit to gold medal Olympians.