Peter Graham | Managing Director / Chief Executive Officer
Peter is a chemical engineer by profession and holds a Bachelor and Master’s degrees from the University of New South Wales in Sydney, Australia. He twice attended executive management programs with the IMEDE in Switzerland and in New Jersey, USA.
Prior to joining OTML, Peter was the Managing Director of ExxonMobil PNG Limited for seven years in which he successfully delivered the country’s first Liquefied Natural Gas project.
He has over 27 years of experience working for the ExxonMobil Corporation whereby he started with ExxonMobil working in coal mining initially as General Manager, Lemington Coal Mines Limited at Singleton NSW, General Manager Ulan Coal Joint Venture at Mudgee, NSW, and Managing Director, Exxon Coal and Minerals Australia based in Sydney.
He also managed Monterey Coal Mines’ two large underground coal mines in Illinois, USA before moving to Houston, Texas as the Engineering Department Manager looking after the engineering and operations of coal operations in Australia, Colombia and the USA, and copper operations in Chile (Companie Minera Disputada), power investments in Hong Kong, and mine engineering due diligence of tar sands operations in Canada.
He then moved into project management roles, commercializing natural gas in PNG in which he was based in Brisbane for three years working on the PNG Pipeline to Australia Project before converting that project to the PNG LNG project.
Peter was born in Townsville and grew up in Queensland, completing high school at Ipswich Grammar School.
Musje Werror | Deputy Chief Executive Officer / General Manager Employee & External Relations
Musje assumed the role of Deputy Chief Executive Officer on April 09th 2015. Prior to this appointment, he was General Manager Employee and External Relations and most recently Chief Operating Officer.
He is from Madang and holds a Bachelor of Science Degree in Chemistry. In 2010 he attained a Masters of Business Administration from Divine Word University (DWU) in Madang and a Masters of Professional Accounting from DWU and the Australian Catholic University.
He joined OTML under the Graduate Development Scheme in 1988 and has worked in various roles with the company for the last 20 years.
Musje also holds the following positions: Chairman OTML Australia, Director OTDF, Director North Fly Rubber Limited and Patron of St. Johns Tabubil Branch.
His motto in life is to 'make a difference'.
Jorge Moraga 25
Jorge Moraga| General Manager Mining

Jorge holds a Masters in Business Administration (MBA) from the Adolf Ibanex University in Santiago, Chile.


He also has a Masters in Engineering of Sciences and Bachelor Degree in Civil Mining Engineering from Santiago University in Chile.


He brings to OTML over 28 years of experience working in the mining industry covering Strategic, Operational, Technical Services, Planning, Engineering and Business Improvement roles in Open Pits and Underground Mines.


He is also a member of the Society for Mining, Metuallurgy, and Exploration, Inc. (SME), USA, Australian Institue of Company Directors, MAICD, Australia.


Originally from Chile, South America he lives in Adelaide, South Australia with wife Laura and two daughters, Catalina and Florencia.



Mark Thompson | Acting General Manager Business Support & Acting General Manager Processing
Mark has a Bachelor of Civil Engineering, Master of Engineering Science (Geomachanics) and a Graduate Certificate in Minerals Industry Risk Management.
Mark has over 30 years experience in the mining and construction industry in Australia, PNG, Canada, USA, Indonesia and Tanzania.
He started work in PNG with the Porgera Gold Mine from 1992 to 1996. He also worked with the Lihir Gold Mine from 2006 to 2011.
Derrick Kelly | General Manager Business Strategy & Development
Derrick holds a Bachelor of Science Degree in Engineering Geology & Geotechnics and is a Registered Professional Geoscientist.
Derrick has over 15 years experience in geotechnical & mining engineering and project management and has worked as an engineering consultant on several projects around Papua New Guinea including Lihir and Hidden Valley.
Since joining OTML in 2009, he has held various positions within the company including Executive Manager Kiunga/Bige Operations.
Cameron Clark | General Manager Commercial & Company Secretary
Cameron brings to OTML more than 25 years of business experience, including 17 years in management roles in the mineral resources, technology, and liquor industries in Australia, New Zealand and Papua New Guinea.
Cameron holds a Bachelor of Commerce Degree from the University of New South Wales, Sydney, Australia and is a member of both CPA Australia and CPA PNG.