John Shepherd is a qualified coach and coaches athletes to Olympic standard. He is also a sports journalist, writing for a number of health and fitness magazines. He has written two titles for A&C Black: Ultrafit and The Complete Guide to Sports Training. Caroline Sandry is a qualified personal trainer, pilates and yoga teacher. She works in the media, training celebrities, and is also a regular fitness writer for numerous publications. Caroline has four fitness DVD's to her name, and also presents on television.
