Pete Cohen was recognised and respected internationally for defining the formula for happiness in 2003. As a life coach, life strategist and human behaviourist he works with people to create positive change in their lives. He is the resident life coach and motivator on GMTV and has presented other motivational and coaching items on television. He is the author of ten books, including the bestseller Lighten Up. He has also worked as a peak performance coach for world-class athletes and sportspeople including Ellen MacArthur, Ronnie OSullivan and Sally Gunnell.