Dr Gregory Zhang – Senior Consultant, Geology & Resource Estimation

Dr Gregory (Greg) Zhang is a highly experienced geologist and resource estimation specialist with more than 14 years’ experience across mining, exploration, and academic research. He has contributed to over 80 projects worldwide, providing expertise in resource estimation, review, and due diligence for a wide range of commodities including gold, copper, nickel, iron ore, silver, cobalt, mineral sands, and PGE.

Greg’s technical strengths include resource estimation using both linear and non-linear geostatistical methodologies, as well as advanced resource review and model validation. Fluent in English and Mandarin, he brings a bilingual advantage to international projects and training programs.

A strong advocate for efficiency and innovation, Greg is skilled in workflow automation through scripting and programming. In his own time, he enjoys developing geoscientific software tools, including post-processing applications for localised multiple indicator kriging (LMIK).

As part of Snowden Optiro’s training team, Greg develops and delivers professional development courses in both English and Mandarin. He also shares his expertise through open-access technical tips, podcast appearances, and published best-practice papers — supporting continuous learning across the global mining community.