Marghanita Johnson has been the Chief Executive Officer of the Australian Aluminium Council since 2019. She has over 25 years’ experience in the Australian mining and manufacturing sectors, predominantly within the aluminium industry. Prior to joining the Council she led government engagement and advocacy on behalf of Rio Tinto’s Pacific Aluminium assets and prior to that held key climate and sustainability roles at Rio Tinto.

Marghanita has Environmental Engineering and Chemistry degrees from the University of Western Australia. She is currently a Non-Executive Director of Alpha HPA Limited, Australian Industry Greenhouse Network and the Energy Users Association of Australia. She has previously been a non-executive director on the boards of the New Zealand Aluminium Smelter and the Tomago Aluminium Company.