Our People

The Cobalt Blue Team

Executive Manager – Dr Andrew Tong

Andrew is a metallurgist with nearly 15 years of experience in project development, mining and processing activities. He is formerly the CEO of Compass Resources/Northern Territories Resources (2016-2017), and now non-executive Director of Northern Territories Resources (2017-present). Prior to that Andrew was the CEO of Goldsmith Resources (Peru) (2014-2015), and director of Australia Gold (2010-present).

He is the owner of Minerals and Residues Pty Ltd (2012-present) which provides metallurgical consulting, testwork, and corporate management services to the resources industry.

Andrew is an inventor and holds several patents for processing minerals containing base and precious metals


Thackaringa – Joint Venture Manager – Anthony “Trangie” Johnston

Trangie is a geologist by training with 20 years’ experience in exploration, project development and mining activities. His diversified career spans the private, public, consulting and government sectors, with experience extensively throughout Australia and internationally.

Trangie is experienced in a diverse range of ore deposit types, commodities and operations and has a sound understanding of geo-scientific, metallurgical and engineering principles. He has previously implemented programs for resource and reserve expansion through maiden discoveries and deposit extensions across the base and precious metals, bulks, energy and rare earth markets. Trangie has BSc Hons 1st Class (Newcastle University) (AusIMM Charles Marshall Thesis Award); and MSc (Economic and Mining Geology) (University of Tasmania – CODES).

Senior Consulting Geologist – Simon McDonald

Simon is a geologist by training and has over 30 years’ international exploration experience – in both the petroleum and minerals sectors.

He has worked as a gold equities analyst, in investor relations and business development manager roles and was founder and CEO of AIM-listed seafloor explorer Neptune Minerals.

Simon provides managerial, exploration and geological consulting services. Simon has BSc (Hons) from Sydney University, PhD from UTS is a Fellow of The Geological Society (FGS) and MAIG.