Dennis has almost 40 years international experience in mining companies including Rand Mines in South Africa and 20 years with global miner Rio Tinto in various operational and strategic roles.
He was an Executive Committee member with ASX listed Energy Resources of Australia. He has extensive international mining experience in Africa, Asia-Pacific and the Americas which includes project, study management and implementation with a strong focus on technology, infrastructure development, sustainability, water and tailings management and mine closure.
He served as Chief Technical Officer Mining with engineering firm, Black & Veatch, a leading global engineering, consulting and construction company.
Dennis has bachelors and masters degrees in civil engineering from Natal University in South Africa and an executive MBA at Henley Management College in the UK.