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About Us


Peter Gunn

Principal and Managing Director

Peter is a professional coal specialist in the areas of coal geology and marketing. He has over 35 years international experience in the coal industry, most of which has been in Australia, Asia and New Zealand. He is a member of the Australasian Institute of Mining and Metallurgy (“AusIMM”) and has the appropriate academic and professional qualifications, experience and independence to satisfy the requirements of Competent Person under the JORC Code.

Peter has worked extensively in New Zealand, Australia, Indonesia, USA, Canada, Russia, Ukraine, Kazakhstan, Czech Republic, India, China, Madagascar, Mozambique and Vietnam. In these countries he has worked relating coal quality to markets and in some countries has assisted in identifying coking coals from areas thought to contain only thermal coal.

Peter has been retained by a range of international clients including major banks, coal producers, investment companies, trading houses, legal firms and power generating companies

Peter sits on the Board of Agritrade International, a Hong Kong listed company, as a non-executive member



Ashley Gunn

Manager Exploration and Development

Ashley is a coal geologist having graduated from Canterbury University (NZ) majoring in Geology, he has worked on coal projects over the past 6 years occupying roles including exploration, open-cut and underground mine geologist in New Zealand, Australia and Indonesia

Ashley has extensive training in Gemcom Minex including geological modelling, mine design and optimisation

Exploration program design, management and supervision for both greenfield and brownfield sites






Hayden Mackenzie

Senior Geologist

Hayden is a coal geologist and has graduated from the

University of Canterbury with a Master of Science Degree  in Engineering Geology.

Hayden has been involved in the coal industry for six years with experience in field exploration, mapping and drilling, coal seam gas exploration, site supervision and training. He has worked throughout New Zealand, Australia, Vietnam and Indonesia

Hayden has also been involved with geotechnical analysis of rock samples and environmental work including site remediation, Acid Mine Drainage, air quality analysis and water and soil sampling programs. 






  • due diligence projects
  • the development of  coal upgrading technology
  • IPO preparation
  • the identification of coal assets of interest to investors
  • assistance in the purchase of coal assets
  • expert witness testimony
  • thermal and coking coal sourcing and marketing
  • boutique coal sourcing and marketing
  • JORC statements
  • market advice

CLIENT LIST 2010 - 2012


Standard Bank (Singapore)

Standard Chartered Bank (UK)

Concast (India)

Sakira (Singapore)

Agritrade Resources (Hong Kong)

Tasman Mining (Aust)

PT Britmindo (Indonesia)

Gloucester Coal Pty Ltd (Aust)

L & M Mining Ltd (NZ)

Straits Asia Resources (Singapore)

PT Bulk & Indo (Indonesia)

Beacon Resources PLC (London)

Ellemby Resources Pty Ltd (Aust)

PT Asia Pacific Mining (Singapore)

PT Indika Energy TBK (Indonesia)

Pike River Coal Company (NZ)

Straits Resources (Australia)

PT Total Sinergy International (Indonesia)

IMC (International Mining Consultants UK)

Tata Energy (Singapore)

PT Runge Indonesia

PT Senamas Inerg Mineral (Indonesia)

IMC Moscow (Russia)

Holman Fenwick (Singapore)

Donaldson Coal (Aust)

Runge Resources (Aust)

Delta Electricity (Aust)

Golden Bay Cement (NZ)

Boral Cement Pty Ltd (Aust)

Volcinis GMBH (Germany)




Coal Marketing International have an experienced team of technical experts who provide comprehensive consulting services catering to the needs of the international mining industry


Areas of Expertise:

  • Mining Engineering
  • Geotechnical Engineering
  • Environmental Management
  • Laboratory Analysis
  • Exploration Design / Management 
  • Resource Estimation / Modelling