The Directors

Tailor made solutions to suit every client’s requirements. The founding members (and executive directors) of Z* are Principal Mineral Resource Analysts with strong geological and mining backgrounds. Their sound knowledge base has been supplemented with specialist post...

Gavin Brown

Gavin Brown (Executive) completed a BSc Honours degree from the University of Natal, a management diploma from the University of Stellenbosch and is a graduate of the École Nationale Supérieure des Mines de Paris, France (CSFG in Advanced Geostatistics). Gavin’s...

David Bush

David Bush (Executive) studied geology at the University of the Witwatersrand, completed an MSc in Mineral Exploration from Imperial College in London and graduated from the Ecole Nationale Supérieure des Mines de Paris, France, with a DEA in Advanced Geostatistics. A...

Sean Duggan

Sean Duggan (Executive) holds a BSc in Geology, a BSc Hons in Geochemistry from the University of Stellenbosch and an MSc in Mining Engineering (Geostatistics) from the University of the Witwatersrand. Sean worked for Anglo American in base metal and gold exploration...

Andy Grills

Andy Grills (Executive) holds BSc Hons and PhD qualifications in Geology from the Queens University of Belfast, UK. In addition, Andy is a graduate of the École Nationale Supérieure des Mines de Paris, France (CSFG in Advanced Geostatistics). He has worked for Anglo...