John Clark, PhD, is a technical research and product development expert with 25 years of experience in petroleum and coal-tar organic chemistry, specializing in gasification and petroleum heavy residues. Currently serving as a Principal Advisor in Organic Chemistry at Rio Tinto, John has a rich background in managing industrial research at Sasol and providing consulting services focused on sustainability in fossil fuel research. They hold three technical degrees, including a PhD in Applied Materials Engineering, and have contributed significantly to numerous international research boards while developing innovative products and techniques in the fossil fuel sector. Notably, John received the South African Government's Innovation of the Year Award in 2004 for the development of Hybrid coke.
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