Dr Grant Muller is the Country Manager of zhero for Namibia and South Africa, a green energy company currently developing a green hydrogen project in Walvis Bay. The Zhero Molecules project in Walvis Bay involves the production of 530,000tpa of green ammonia, which is produced solely from solar PV and batteries, to be exported from Walvis Bay, North Port. In 2023, Dr Muller was seconded to the Ministry of Mines and Energy to assist the government of Namibia with the establishment of the green hydrogen industry and supported the government with the implementation agreement for Hyphen Energy Project. He is the also serving as the Chairperson of the Namibia Green Hydrogen Association.