Grant Couston possesses over 20 years experience as a geophysicist predominately in the mineral exploration industry and crossing a broad range of minerals and deposit types. He graduated from the Curtin University of Technology, Western Australia in 1999 with BSc (Hons) Geophysics before working for several geophysical contractors, covering projects throughout Australia and internationally. A later focus on EM saw him providing consulting services to various WA based nickel explorers, before taking a position with Ivanhoe Australia as Senior Geophysicist, supporting their exploration team with multi-commodity exploration in NW QLD. After a period providing consulting services with Geo Discovery Group in Brisbane, Grant joined SGC in 2019 as Principal Geophysicist.

Grant has extensive experience in potential field and electrical geophysical techniques encompassing acquisition, processing, modelling and through to interpretation. He has proven capabilities in managing small teams in a technical capacity and supervising multiple survey contracts and contractors simultaneously. Grant has gathered international experience from several short term contracts with international government and industry companies in Africa and SE Asia both leading small technical teams and in a solo capacity.

His experience encompasses; IOCG; Sediment-hosted Cu; Ni sulphide; Porphyry Cu/Au; Uranium; BHT Pb/Zn/Ag; IRGS. Grant is well experience and up to date in all relevant geophysical techniques and is highly proficient in industry standard processing, modelling and visualisation software.
Grant is an active member of the ASEG and AIG.