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Photo of Mr Christopher Desoe
Mr Christopher Desoe
Mining EngineerAustralian Mine Design & DevelopmentMining Engineer

Chris is a director of Australian Mine Design & Development (AMDAD) and manages their Brisbane office. He is an engineer with 20 years of experience in hardrock mining and industrial minerals projects.
This experience includes involvement in evaluation, design, development, operations and research in over 70 mining projects throughout Australia, the South Pacific, South East Asia, China, West Africa, South America and Europe.

Chris has extensive computer capability, particularly in mine planning and design applications. He is skilled in the use of Surpac and Whittle mine planning software, as well as project management applications. Extensive involvement in fesasibility studies and other evaluation and design work is supported by more than 10 years’ operations experience in underground and open cut mining.

  • Open Cut and Underground Metal Mine Planning & Design
  • Pit Optimisation
  • Feasibility and Evaluation
Areas of Practice:
  • Mining engineering
  • Technical audit and due diligence studies
Commodity Experience:
  • Base Metals
  • Gold, Silver
  • Sn-W-Ta-Nb Group
  • Uranium
Regional Experience:
  • Australia – Queensland
Mr Colin Donegan
Mining EngineerColmine ConsultingMining Engineer

Colin Donegan joined the mining industry in 1976 as a trainee mining engineer with Elcom Collieries at Newstan Colliery. In 1981 he graduated top of all streams of engineering at UNSW and was awarded the Institution of Engineers Australia Award for his efforts.
By 1982, Colin had obtained his 1st and 2nd Class Coal Mine Manager’s and Mine Deputy’s Certificates. In 1983 he relocated to Western Australia to gain valuable Open Cut experience at Griffin Coal’s Muja Mine, which was then, the deepest black coal open cut in the world, operating the world’s largest fleet of hydraulic excavators.
Colin was appointed as Assistant Superintendent at Wambo in 1986 with operational and planning responsibilities for the Underground, Open cut and Preparation Plant. During his nine years there, Colin developed and implemented the plans to take that operation from 1.2 to 4.0 million tonnes per annum, preparing and administering the contracts involved. He also served a total of six months as Acting General Manager.
In 1995 Colin was appointed Manager of the Glendell Project, modifying the Development Consent, progressing all mine approvals, completing the mine planning and selecting the equipment and contractor. Unfortunately this project was deferred due to prevailing coal prices at the end of 1997. Colin now has his own consulting company and is pursuing a number of coal mine developments in his own right.
He has a wealth of senior experience with 21 years at Manager level or above. He has exceptional skills in mine planning, industrial relations, equipment selection and management. He is also well known for his innovative approach and lateral thinking to problem solving.
Colin’s greatest asset is the depth to his very broad experience, allowing him to view a problem from a very broad perspective but at the same time understanding the detail involved, resulting in solutions to problems that encompass all contributing factors.

  • BE(Min) UNSW 1981, Coal Mine Mgr Certificates, NSW, WA
  • Coal Mining
Areas of Practice:
  • Mine planning and design
  • Mining engineering
  • Project – Management
  • Project planning and management
Regional Experience:
  • Australia – Western Australia



Photo of Mr Karl Guilfoyle
Mr Karl Guilfoyle

Karl Guilfoyle is a Mining Engineer with 29 years of experience in the mining industry, specialising in underground hardrock mine planning and operations.
Karl established Guilfoyle Engineering & Mining Services Pty Ltd in 1991, to provide an independent consulting service to the mining industry. He is a Member of the Australasian Institute of Mining and Metallurgy, and has written and presented several technical papers at mining industry conferences. His skills include:

  • Understanding the mining business, with a focus on safe and profitable production.
  • Experience in a broad range of underground hardrock mines with diverse conditions.
  • Mine planning and design, from initial conceptual studies to the final critical details.
  • Assessment of mining performance and costs, and identification of the major issues.
  • Ability to analyse complex problems, identify causes and create innovative solutions.
  • Concise reporting with specific conclusions and practical recommendations.

Karl has completed projects including:

  • Planning for underground mines, from conceptual studies to detailed mine designs.
  • Preparation of feasibility studies for open cut and underground hardrock metal mines.
  • Analysis of underground mining systems, from planning to final stoping results and costs.
  • Calculation of break-even mine head grades to optimise profitable recovery of ore resources.
  • Preparation of computer models to calculate, analyse and compare total mine production costs.
  • Preparation of practical geotechnical standards for mine development and longhole open stoping.
  • Selection of equipment for diamond drilling, mine development, stoping, loading and rock transport.
  • Analysis and optimisation of underground mine jumbo development drilling and blasting practices.
  • Introduction of cemented rock backfill to increase resource recovery and reduce total mining costs.
  • Design and analysis of alternative raise development methods, including longhole drilling and blasting.
  • Innovative solutions for unusual mining applications, including specialised blasting techniques.
  • Introduction of underground road trains to improve productivity and reduce total mining costs.
  • Controlled surface and underground blasting, including complex longhole stope “mass blasts”.
  • Preparation of “competency-based” training programs for mine technical staff and operators.
  • Training and coaching of mine technical staff, including Mining Engineers.
  • BE(Min) Melbourne 1978, Mine Mgr Cert Qld.
  • Underground Mine Planning and Operations
Areas of Practice:
  • Mining engineering
  • Technical audit and due diligence studies
Commodity Experience:
  • Base Metals
  • Gold, Silver
  • Nickel and Cobalt
Regional Experience:
  • Australia – All States
  • India
  • PNG


Photo of Mr John McIntyre
Mr John McIntyre
Mining EngineerBehre Dolbear AustraliaMining Engineer

John has more than 40 years of experience in the management, operation and design of mines, including underground base and precious metals, surface hard-rock and coal and alluvial operations. He provides advisory services in the management, assessment and redirection of underperforming mines and projects. John has led projects in Australia, New Zealand, West Africa, PNG, the Philippines, Laos, Vietnam and North America and has prepared management reviews, technical audits, valuations, economic assessment, mine design and feasibility studies for new and existing operations.
John has been Managing Director of Behre Dolbear Australia (BDA) since 1994. BDA is the Sydney-based subsidiary of the US group, Behre Dolbear and Company Inc (BDCI), which has operated continuously as a mineral industry consultancy in North America since 1911 and has offices in Denver, New York, Toronto, Vancouver, London and Hong Kong and is recognised as a reputable international consultancy by mining companies, banks, financial institutions and groups associated with mining worldwide. BDA has established itself in Australia and the South East Asian region as a source of professional mining expertise, covering all aspects from resource/reserve definition, mine planning and operations, metallurgical and environmental planning and review, project engineering and financial analysis and valuation. Director: Takoradi Gold NL.

View John’s CV
  • BE(Hons) NSW 1971
  • MMICA,
  • FAusIMM (CP)
  • Member Australasian Institute of Minerals Valuers and Appraisers (MAIMVA)
  • Certified Minerals Valuer (CMV) #120808 004
  • Member American Institute of Minerals Appraisers (MAIMA)
  • Certified Minerals Appraiser (CMA) #2012-1
  • Mining Engineering
  • Management Advisory Services
  • Project Valuation & Assessment
Areas of Practice:
  • Mining engineering


Photo of Dr Geoffrey Oldroyd Expert Witness
Dr Geoffrey Oldroyd Expert Witness
Mining EngineerG C Oldroyd & Associates Pty LtdMining Engineer

A mining engineer with +40 years of experience in underground and surface operations, new projects, business development, strategy and research specialising in coal, industrial minerals, base metals and other energy fuels.

General manager and mine manager responsibilities held for operations, new mine developments, technical services, strategic/mine planning and research.

Board Director for: (i) large coal producer and (ii) Cooperative Research Centre for Optimising Resource Extraction (CRC ORE).

Past Chairman of Australian Coal Association & Queensland Coal Association Research Committees and current Chairman of Technical Advisory Panel for CRC ORE.

Consulting since 1996.

  • BSc (Hons) Nottingham 1966; PhD Nottingham 1969;
  • Coal Mine Manager Cert NSW & Qld;
  • FAusIMM (CP);
  • Strategic & Technical.
  • Mining Engineering.
  • Project & Mine Evaluation.
  • Company Directorship
Areas of Practice:
  • Mining engineering
  • Strategic planning including company acquisition
Commodity Experience:
  • Base Metals
  • Coal
  • Industrial Minerals – Other
  • Iron Ore, Manganese, Chrome
Regional Experience:
  • All Australia
  • Canada
  • Central Africa
  • China
  • East Africa
  • Indonesia
  • North Africa
  • United Kingdom
  • United States
  • West Africa


Photo of Mr Murray Phillips
Mr Murray Phillips
Mining EngineerTerrametrics Pty LtdMining Engineer

Murray has held various mining positions including Mining Engineer at the German Creek Mine, Principal Engineer for the ACIRL Surface Mining Group and Director and Engineer for Dragline Technologies Pty Ltd.
His areas of expertise include mine planning, both short and long term, integration of environmental criteria and landform design into mine planning, software development and open cut related research and development.
Murray is currently Director of Engineering for Earth Technology Pty Ltd and Principal Engineer for Terrametrics Pty Ltd.
Earth Technology specialises in mathematical modelling, software development and open cut related research. Products include the 3d-dig mining simulator, 3dX particle flow code and QED blast design and simulation program (owned by Austin Powder).
Terrametrics provides consulting services to the open cut mining industry including mine planning, excavation and mining simulation, landform design and equipment studies.

  • B Eng(Civil) UCQ
  • Open cut mine planning
  • Open cut research and development
  • Software development
  • Mining related simulation
  • Equipment studies
Areas of Practice:
  • Mining engineering
Regional Experience:
  • Australia – Queensland


Mr Simon Wulff
Mining EngineerMining Projects Pty LtdMining Engineer

Simon has had 20 years’ experience in world class hard rock mining operations across Australia, and offers a successful, experienced record of growth, expansion, management, safety and leadership in the industry. This has spanned porphyry copper, base metals and gold industry operations, utilising both contract and in-house workforces, in open pit and underground operations.
He has established and led effective mining teams with a project management focus and retains a “can do” approach to multifunctional projects. All aspects of establishing and the running of major contracts with large work forces has been a part of these roles, which have required communicating strategic, deliverable outlines to the directorship of the companies, analysts and various shareholding institutions, through good and tough times.

  • BE(Min)
  • Mine Operations Management
  • Technical Project Review and Establishment
Areas of Practice:
  • Mining engineering
  • Technical audit and due diligence studies
Commodity Experience:
  • Base Metals
  • Gold, Silver
Regional Experience:
  • Australia – Queensland
  • Australia – Western Australia
Photo of Mr John Wyche
Mr John Wyche
Mining EngineerAustralian Mine Design & Development Pty LtdMining Engineer

John has over 22 years’ experience in opencut and underground mining in metalliferous, coal and industrial minerals projects. His career has covered evaluation, development and operation of mining projects.
He has extensive skills in computer based mine planning and design applications. His capability in mine evaluation and planning is based upon broad and ongoing experience in mine operations which gives his work an emphasis on practically based solutions.

  • BE(Hons) Queensland 1981, BComm Queensland 1990, Mine Mgr Cert Qld
  • Metalliferous and Coal Open Cut
  • Mine Design & Planning
    Project Feasibility and Evaluation
Areas of Practice:
  • Mining engineering
  • Technical audit and due diligence studies
Commodity Experience:
  • Base Metals
  • Gold, Silver
  • Oil Shale
  • Rare Earths
Regional Experience:
  • Australia – Northern Territory
  • Australia – Queensland
  • Australia – South Australia
  • Central America (inc. Mexica, Cuba)
  • Laos
  • Pacific Islands
  • Philippines
  • S E Asia (Malaysia, Thailand, Vietnam, Myanmar)


Photo of Dr Robert Yeates Expert Witness
Dr Robert Yeates Expert Witness
Mining EngineerROB YEATES & ASSOCIATES PTY LTDMining Engineer

Rob is a mining engineer and management consultant with over 30 years’ experience in the design, operation and management of mines. Since 1997 he has been principal of a consulting business offering services generally in the field of mine management. Services offered include feasibility studies, mine, project and company valuations, strategic planning, industrial relations, marketing and other management services.
Rob initially started with Peko Wallsend Ltd, working in open cut and underground copper, gold and tungsten mines before moving to coal. During that time he worked in various production, engineering, supervisory and marketing positions. Joined Oakbridge Ltd in 1989, firstly being responsible for marketing (1989-1991), then development (1991-1993), and then as Managing Director (1994-1997) responsible for all operations.
During this time he gained experience at senior levels in all aspects of mine management including exploration, marketing, finance, foreign exchange, insurance, business and strategic planning, budgeting, joint ventures, industrial relations, legal, environmental management, safety and project management.
From 1994 to 1997, Rob was on the NSW Minerals Council Executive and Chairman of their Environmental Committee. From 1993 to 1997 he was on the boards of the coal terminals at both Port Kembla and Newcastle and involved in all aspects of coal transportation from mine to customer. In 1992 and 1993 he was also Managing Director of Great Northern Mining NL a listed alluvial miner.

  • BE(Hons)(Min) NSW 1971, PhD NSW 1977, MBA Newcastle 1986, Coll Mgr Cert NSW
  • Company Acquisition : Investment Strategy
  • Feasibility & Valuation Reports
    Commodity & Marketing Studies
    Coal and Iron Ore
Areas of Practice:
  • Mining engineering
Commodity Experience:
  • Base Metals
  • Gemstones
  • Gold, Silver
Regional Experience:
  • Australia – Queensland
  • Indonesia
  • New Zealand


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