Directors & Management

John Edward Siemon
Chairman/Acting Managing Director

Brisbane-based geologist John Siemon has over 40 years’ experience in exploration for industrial minerals, aggregates and gemstones; since 1988 he has operated as a self employed consultant. He is currently CEO and Director of a family investment company and after nearly 9 years has recently relinquished the position of Treasurer of the Australian Institute of Geoscientists Queensland Branch.

Walter John Ife
Executive Director – Sales & Marketing

Walter is a New York-based integrated marketing specialist with over 25 years’ experience in the jewellery and luxury goods categories, including ten years developing international consumer and trade strategies for De Beers as Executive Director of the Diamond Promotion Service in the USA.

David Hugh Hall
Non-Executive Director

David is a Brisbane-based geologist with over 35 years’ experience in many facets of the Australian mineral industry. He commenced his career in Queensland coal exploration, following which he undertook various roles as a company title administrator, mineral land consultant and exploration administrator. In 2001, he was appointed an executive director of Diatreme Resources Limited, a diversified mineral exploration company which ultimately listed on the ASX, remaining until mid 2014. He was one of the original founding directors of Opal Horizon Limited.



Suzanne Yeates

Suzanne is the Principal of Outsourced Accounting Solutions Pty Ltd. She has over 15 years experience providing accounting and company secretarial services to mineral exploration companies.