Developing Premium Indonesian Manganese Alloys

Gulf Advisors

Dr Herry Kotta
Environmental Advisor

Herry is an Environmental Engineer with a Ph.D in Geology from the Gadjah Mada University, Jogjakarta and is currently a Lecturer at the Nusa Cendana University, Kupang.
He has compiled more than 40 Environmental Impact Assessment reports for manganese mining in Timor, Sabu and Flores Islands.

Jacques Beylefeld
Xram Technologies


Jacques is a metallurgical engineer with over 25 years’ experience in the extractive pyrometallurgical environment and holds a Bachelor of Engineering and Post Graduate Honours from the University of Pretoria.
His expertise in the ferroalloy industry includes feasibility, due diligence studies, technology equipment design, project execution, plant commissioning and operating.

Peter Allen
Marketing Consultant



Peter has over 20 years’ sales and marketing experience in manganese industry. 
Peter has held senior executive positions, including: General Manager, Director and Managing Director of Marketing roles with various companies, including Consolidated Minerals.

Gulf Manganese Corporation Ltd

PT Gulf Mangan Grup

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