Based in north London, he trains clients on a 1-2-1 basis and also holds regular workshops and retreats in London, across the UK, and throughout Europe incorporating running, walking, and the Oxygen Advantage method. Gray also runs live online programmes and courses.
Gray teaches the Advanced Oxygen Advantage Instructor trainings in the UK, working along with Patrick McKeown.
“Breathing is an oft-neglected area of health and fitness. The Oxygen Advantage Training Programme is the missing link that I’d been looking for in my teaching and own practice”