With a background in medicine, psychology and groupwork, Chris Johnstone is a specialist in the psychology of positive change. After working for many years as an addictions specialist in the UK health service, he now focuses on teaching, training and writing. He is in demand as a speaker and trainer on the psychology of change, especially in relation to health-related behaviour, mood improvement and global issues. His book, Find Your Power - a toolkit for resilience and positive change (2nd edition, Permanent Publications, May 2010) is one of the few self-help books to address both personal and planetary concerns. His self-help audiobook, The Happiness Training Plan, co-produced with Miriam Akhtar, introduces practical mood improvement strategies. Chris has been active in the Transition movement, contributing to a chapter on the psychology of change in The Transition Handbook by Rob Hopkins. He has pioneered the application of the positive psychology approach in health-care, within organisations and in adult education. He edits the free email newsletter The Great Turning Times. He is also a fine musician, known for his hammered dulcimer and harmonica playing. For more information, see his website at www.chrisjohnstone.info