Department Training

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…

Rowdy Bristol

Rowdy is a Principal Consultant with our Geology Division. He has deep familiarity with linear and non-linear resource estimation techniques, such as ordinary kriging, indicator kriging, inverse distance, conditional simulation, uniform and local uniform conditioning.  Rowdy, has more than 30…

Gilberto Takahashi

Gilberto is a mining engineer with extensive experience in the application of new technologies and software in the mining area. He graduated in Mining Engineering from Escola Politécnica da Universidade de São Paulo in 1991. He has experience in geological…

Oscar Rondon

Oscar Rondon, Principal Geostatistian, Snowden Optiro

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 of…

Susan Havlin

Susan Havlin, Principal Consultant, Geology Advisory, Snowden Optiro

Susan Havlin is Managing Consultant – Geology, leading Snowden Optiro’s team of Australia based geologists. Susan has more than 22 years of extensive expertise in the fields of exploration, mine, and resource geology. Throughout her career, she has gathered invaluable…

Mark Drabble

Mark Drabble, Snowden Optiro’s Executive Consultant from Executive Advisory is a geologist with more than 29 years of experience in due diligence studies and Mineral Resource audits, underground and open pit production, resource development, resource estimation, consulting and geological management…

Kahan Cervoj

Kahan Cervoj, Snowden Optiro’s Executive Consultant in Geology Advisory, has worked as an exploration, resource development, mine and resource geologist since 1990, with a focus on doing the fundamentals and gaining a working understanding of a deposit’s geology. He has…

Ian Glacken

Ian Glacken, Executive Consultant from Geology Advisory

Ian Glacken, is an Executive Consultant with our Geology Advisory services. He is a geologist with postgraduate qualifications in geostatistics, mining geology and computing who has more than 36 years of worldwide experience in the mining industry. Following 16 years…

Gregory Zhang

Dr Gregory Zhang is a geologist with more than 10 years’ experience in resource estimation, exploration and academic research in multiple commodities. His resource experience has included three-dimensional modelling of mineralisation systems, geostatistical analysis, resource estimation, and technical report writing.…