Christopher Gladwell is a breathwork, yoga, and meditation practitioner. He is a member of the International Breathwork Federation (IBF) and the British Rebirth Society as well as being an elder with the Yoga Alliance UK. He is the author of 14 books on yoga and meditation and has also written over 50 articles for the yoga press. He lives in Bristol, UK.

James Earls is a Structural Integration practitioner and manual therapist with decades of experience. He holds diplomas in various forms of bodywork and a BA(Hons) in Psychology and an MSc in Human Anatomy & Evolution. James lectures regularly worldwide and is a co-organizer of the annual Evolution101 Summit in London. James is the author of three books and lives in London.