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GPPH & Associates select the best team of people with the skills required to the particular job.

These people include, but are not limited to, the following individual consultants.


Brian Baumhammer

Brian has more than 30 years’ experience in coal and metals operations across Australia and Indonesia in many different mining environments. Brian has worked as a consultant for 9 of the last 12 years.

Geoff N. Pitkin

Geoff has 40 years' experience in the New South Wales and Queensland coal industries with a background in open cut and underground operations, new mine development and the preparation of feasibility studies.


Michael A Pitkin

Michael is an experienced Engineer with specialisations in software design, database design, simulation and graphics.


Rod Hall

Rod has some 35 years industry experience and has been consulting to the coal industry for the last 5 years. He has held various positions as manager as well as being a director on a number of industry boards.

Tapan Goswami

Tapan is an experienced mining engineer with post graduate qualifications in surface mining. He has worked in all facets of mining operations and drilling and blasting for 35 years. He takes a keen interest in the areas of minimising coal damage and loss and delivering cost down projects.

Greg Mattila

Greg has over 40 years experience in the Australian and international mining industry, with a particular focus on underground black coal mines. He has provided independent consultancy services to the mining industry since 1988.

Lynne Banwell

Lynne is a geologist with more than 25 years experience, who has extensive experience in both the coal and metalliferous mining industries.

Robert Byrnes

Robert has over 24 four years experience in the environmental assessment of mining developments, extractive industries, industrial proposals and public infrastructure projects.

David W Jones

David has over 38 years experience in the mining industry and his previous roles have included positions as Group Engineer for Coal and Allied and Chief Engineer for Coal Operations Australia.