Fay Goodman is a leading exponent of shinto ryu and iaido. She is a coach with the British Kendo Association and of various other martial arts. Her previous publications include Beating Crime in Your Business and Be Streetwise. Andrew Popovic runs a London-based organization offering courses on all levels in t'ai chi, chi gung and meditation, and treats patients with acupuncture, herbs and chi gung healing therapy at his clinic. Peter Brady holds the position of Senior Coach and Children's Coach within the British Aikido Board and is the chief instructor for five independently run clubs around the UK.