The board of Alpha HPA Limited announced the appointment of Marghanita Johnson as an independent, non-executive director. Marghanita has been the CEO 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 chair of the Australian Industry Greenhouse Network and a director of the Energy Users Association of Australia and has previously been a non-executive director on the board of the New Zealand Aluminium Smelter and the Tomago Aluminium Company.

The date of appointment is January 15, 2024.