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Find an industry expert in our Consultants Registry. You can search by Profession, Category or Expert Witness. You can also search by Name or Keywords using the search field below. Alternatively, the full list of members is alphabetically listed below.

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A B C D E F G H I K L M N O P R S T V W Y

D

Photo of Mr John Dunlop Expert Witness
Mr John Dunlop Expert Witness
Mining EngineerJohn S Dunlop & AssociatesMining Engineer

John is a mining engineer, whose first 20 years of professional experience was obtained as a mining company employee, rising through the ranks from machine miner to the level of General Manager Operations.

His experience spans both surface and underground mining applications in the hard rock, metalliferous field, where he holds current Mine Management Certificates of Competency (1st Class).

He has consulted on a full time basis since the early 1990’s in most fields of mining engineering, but principally project feasibility, operations management, mine design and valuation, technical audits, merger and acquisitions, corporate advice and expert witness work.

Assignments worldwide have included temperate, arctic, high altitude and tropical locations, whether high rainfall or arid.

John matriculated with honours in French and Russian, but also has some Bahasa, Melanesian Pidgin, Arabic and Spanish.

He is a Board Member of MICA and a former director of the AusIMM.

Documents
Qualifications
  • BE(Min)(Hons) Melbourne 1971
  • MEngSc Melbourne 1979
  • P CertArb Adelaide 2001.
  • MMICA, FAusIMM (CP), FIMM, MCIM, MSME
Specialities
  • Mining Engineering
  • Project Feasibility & Technical Audits
  • Extensive International Experience
Areas of Practice:
  • Independent expert valuations
  • Mine planning and design
  • Strategic planning including company acquisition
  • Technical audit and due diligence studies
  • Tenders and contracts
Commodity Experience:
  • Base Metals
  • Gold, Silver
  • Iron Ore, Manganese, Chrome
  • Nickel and Cobalt
Regional Experience:
  • Australia – Western Australia
  • Central Asia
  • Eastern Europe
  • India
  • Indonesia
  • New Zealand
  • Pacific Islands
  • Philippines
  • PNG
  • Russia, CIS
  • S E Asia (Malaysia, Thailand, Vietnam, Myanmar)
  • South America – other

E

Photo of Mr George Edwards Expert Witness
Mr George Edwards Expert Witness
ManagementSAI Global LimitedManagement

Over 40 years’ experience covers coal and coke research (BHP), coal utilisation and marketing (Joint Coal Board), marketing and market development (Coal and Allied) and Chairman/Chief Executive (Consol in Australia) and Chairman (Standards Australia).
Started Consultancy on 1st January 1985 and subsequently involved in a coal mine acquisitions/sales (for self and others), management of mining operations, coal utilisation and marketing, trading coke coals and coal blends, property evaluations and feasibility studies, industry overviews and strategies, government relations, energy studies, coal preparation, information services and corporate govenance/risk management.
Director: SAI Global Limited

Qualifications
  • BSc(Tech) NSW 1967
  • MMICA, FAusIMM (CP), FFAICD, FEI (UK), FAIE, CEng
Specialities
  • Coal Utilisation, Marketing & Sales
  • Property Evaluation/Feasibility
    Mine Equity Purchases/Sales
    Corporate Governance, Risk Management
Areas of Practice:
  • Coal washing
  • Independent expert valuations
  • New technology, research and development
  • Strategic planning including company acquisition
  • Technical audit and due diligence studies
Commodity Experience:
  • Gold, Silver
Regional Experience:
  • China
  • India
  • Indonesia
  • New Zealand
  • S E Asia (Malaysia, Thailand, Vietnam, Myanmar)
  • United States

G

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.
Qualifications
  • BE(Min) Melbourne 1978, Mine Mgr Cert Qld.
  • MMICA, MAusIMM
Specialities
  • 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

H

Photo of Mr Patrick Hanna
Mr Patrick Hanna
GeologistHanna Consulting ServicesGeologist
Qualifications
  • BAppSc (Geol) NSW 1976
  • MMICA, FAusiMM (CP)
Specialities
  • Coal Geology
  • Resource Estimation, Evaluation and Audits
  • Exploration Project Management
Areas of Practice:
  • Exploration – Planning and Management
  • Exploration Project Management
  • Resource / Reserve estimation (inc. geostatistics)
Regional Experience:
  • Australia – Queensland
  • China
  • India
  • Indonesia
  • New Zealand
  • Russia, CIS
  • S E Asia (Malaysia, Thailand, Vietnam, Myanmar)
  • United States

L

Photo of Mr John Lea Expert Witness
Mr John Lea Expert Witness

John Lea is a Chartered Professional Geologist whose 24 years of work experience is predominantly in the planning and management of exploration programmes for coal and groundwater, data acquisition and their evaluation. His professional associations with Groundsearch Australia’s current clients provides him with practical experience by working directly with internationally-recognised, technical experts in drilling, geophysical logging, coal analysis, groundwater, geotechnical, environmental and human impact investigations. His wide-ranging experience and continuing professional contacts are invaluable in his current role.

Qualifications
  • BSc (Hons) Newcastle,
  • MMICA, MAusIMM(CP), Mine Mgr Permit (NSW)
Specialities
  • Coal Geology
  • Baseline Groundwater Investigations
    Downhole Geophysics
Areas of Practice:
  • Baseline Studies
  • Geophysics
Commodity Experience:
  • Industrial Minerals – Clay Minerals, Refractories, Abrasives
Regional Experience:
  • India

T

Photo of Dr David Tyrwhitt
Dr David Tyrwhitt
GeologistDS Tyrwhitt & AssociatesGeologist
 An economic geologist with over forty years of exploration and mine management experience, David was director of exploration and later CEO with Newmont (1981-1988) then CEO with Ashton Mining for three years (1988-1991) until setting up in practice as a consulting geologist.

Exploration and mining of gold and diamonds, base metal exploration background in Australia, SW Pacific, SE Asia, China, India, Indonesia, North America, Eastern and Southern Africa.
Directorships: Astro Mining NL, Bay Resources Limited, Quantum Resources Limited. Johnsons Well Mining NL, Gutnick Resources N.L. Major consulting role with several Gutnick network companies and Normandy Anglo Asia Joint Venture 1992-96.
Last three years’ focus has been on gold and base metal projects in China with consulting role with Sons of Gualia (Tantalum), Ivanhoe Mines Limited (gold, copper, nickel and PGM), Anglo American (base metals) Anglo Platinum (PGM).

Qualifications
  • BSc(Hons) Bristol 1959, PhD Leeds 1966
  • MMICA, FAusIMM(CP), FSEG(USA)
Specialities
  • Gold Exploration In Australasia
  • IndoChina, China & Indonesia
    Gold Project & Mine Resource Audit
Areas of Practice:
  • Exploration – Planning and Management
  • Exploration – Strategy
  • Exploration – Property Appraisal
  • Management services
  • Strategic planning including company acquisition
Commodity Experience:
  • Base Metals
  • Diamonds
  • Gold, Silver
  • Nickel and Cobalt
Regional Experience:
  • Canada
  • China
  • East Africa
  • Fiji
  • India
  • Indonesia
  • New Zealand
  • Pacific Islands
  • Philippines
  • PNG
  • S E Asia (Malaysia, Thailand, Vietnam, Myanmar)
  • United States

 

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