Evan W. Ball

Australasian Institute of Mining & Metallurgy, also known as AusIMM, is the leading organization for professionals working in the resources sector. AusIMM is based in Carlton, Australia, and has subsidiaries in Hong Kong. The Australian company's main focus is on shaping careers, showcasing leadership, creating communities, and upholding standards.

Australian Institute of Co. Directors is a non-profit organization that provides leadership on director issues. It offers governance education, director development, and advocacy. The organization was founded in January 1, 1990 and is headquartered in Sydney, Australia.

PT Dairi Prima Mineral owns and operates zinc mining projects. The company is headquartered in Jakarta Selatan, Indonesia.

Herald Resources Ltd. engages in mineral exploration, development and investment. The company primarily focuses on the Dairi zinc/lead/silver projects. The company is headquartered in West Perth, Australia.

PT Kaltim Prima Coal operates as a coal mining company. Its operations include a series of open pits and coal preparation facilities. The company was founded on April 8, 1982 and is headquartered in Sangatta, Indonesia.