Department Training

Helen Barnes

Helen Barnes is a Principal Consultant – Geology at Snowden Optiro and is based in Brisbane. She has over 15 years of experience in resource development, estimation, and mine geology across both underground and open pit operations. She also has extensive experience…

Perry Collier

Perry Collier is an Executive Consultant at Snowden Optiro and has over 35 years of industry experience across a wide range of global operations and commodities, including bauxite, borates, coal, copper, diamonds, gold, iron ore, lithium, nickel, titanium minerals and…

Dr Simon Dominy

Dr Simon Dominy our Executive Consultant and Group Lead of Geometallurgy, is a seasoned mining geologist-engineer with more than 25 years of experience spanning mine operations, consulting, and academia. His expertise covers economic geology, geometallurgy, mine value chain sampling, resource…

Clementine Clark

Clementine is a skilled Resource Geologist proficient in data analysis, geological modeling, and resource estimation. She specializes in various software tools such as Supervisor, Datamine, and Leapfrog for comprehensive analysis and modeling. With experience spanning across Africa and the Americas,…

Senzeni Mandava Matondi

Senzeni Mandava Matondi is a Resource Geologist with over 22 years of practical experience in the fields of Resource Estimation and Evaluation, Exploration, Mining, Planning Geology, and Consulting. She holds an MSc in Engineering, specialising in Mineral Resource Evaluation and…

Dr Oscar Rondon

Oscar Rondon, Principal Geostatistian, Snowden Optiro

Dr Oscar Rondon, is a Principal Geostatistician with the Supervisor team. Oscar is a skilled geostatistician and researcher with more than 19 years of combined experience in the Oil & Gas and Mining & Metals industries with a proven track…

Susan Havlin

Susan Havlin, Principal Consultant, Geology Advisory, Snowden Optiro

Susan Havlin is the Managing Consultant – Geology at Snowden Optiro, leading our team of Australia-based geologists. With over 23 years of experience across exploration, mine, and resource geology, she has developed deep expertise in a wide range of commodities,…

Mark Drabble

Mark Drabble is a geologist with more than 32 years’ experience in due diligence studies, Mineral Resource audits, underground and open pit production, resource development, resource estimation, consulting and geological management at operational and corporate levels. Mark has extensive experience…

Kahan Cervoj

Kahan Cervoj is Snowden Optiro’s Executive Consultant in Geology Advisory. With more than 30 years of experience in the mining industry, Kahan has worked across exploration, resource development, and mine geology, with a strong emphasis on getting the fundamentals right…