Dr Dianne McGrath is one of Australia’s leading sustainability experts, holds three degrees in sustainability including a PhD, and is a member of the International Society of Sustainability Professionals. She lives her life challenging what others think impossible, whether that was to live a year with no single-use plastics, prepare for a fully-sustainable one-way mission to Mars, choosing to circumnavigate our planet to help protect our oceans – our future, cycling extreme distances, sailing in gale storms in a tall ship in the Southern Ocean or biohacking her body and mind to become Dianne 2.0.