John Brewer is a regular contributor to Running Fitness Magazine and is currently Head of Sport & Exercise, University of Bedforshire.
Run247 spoke to John at the launch of the new Lucozade Sport Champions' Choice sports drink, at the Science Museum to learn more about the development of the product. You can follow John on twitter at @sportprofbrewer.
John Brewer - Head of Sport & Exercise, University of Bedforshire