Setting her career trajectory early on, Dr Green became the voice of sustainability and corporate social responsibility in the business of big money lending while at J.P. Morgan in London. She then went on to become a research fellow at Curtin University Sustainability Policy Institute (CUSP), complete a Masters degree and two postgraduate diplomas at Cambridge University, was Deputy Lord Mayor of Perth, set up the first fossil fuel free super fund and has sat on numerous boards championing sustainable business such as the Water Corporation, Carbon Tracker and Climate-KIC Australia.

In 2016 Jemma founded blockchain technology company Power Ledger and in 2018 received the EY Fintech Entrepreneur of the Year award. Jemma works in the fields of blockchain, artificial intelligence, energy, internet of things, sustainable cities and was in Adelaide recently as a speaker at the ADC Global Blockchain Summit.