Senior Management

Mr Rob Thomson

Managing director

Rob Thomson, who was appointed as our managing director in November 2016, has previously had key roles in taking 8 exploration projects through to mining operations. These include Finder’s Wetar 28,000tpa copper cathode project in Indonesia, Kingsgate’s 125,000+ ozpa Chatree open-cut gold mine in Thailand, Oxiana’s 125,000+ ozpa Sepon open-cut CIL gold mine in Laos, and Climax Mining’s Didipio 150,000+ oz (gold equivalent) gold/copper project in the Philippines. 

Rob holds a Bachelor of Engineering from the University of Queensland and a Master in Business Administration from the University of Wollongong. He started his career in underground gold mining in Southern Africa more than a few decades ago and went on to successful fulfil roles as CEO, director, project director, and executive director with various mining companies.

He is now focused on bringing our fully permitted near-surface South African JORC resource of 3.4Moz into production and ramping it up to a 100,000oz a year operation.


Mr George Jenkins

Chief executive officer

George Jenkins is a qualified extraction metallurgist with 25 years of mining industry experience in South Africa and Australia. Throughout his career he has held various executive, operational, management and business development roles with the most recent executive role as COO for public company Aard Metals Ltd. He has extensive experience in managing operational mine sites ranging from precious metals to coal with companies such as JCI, Vale Australia and AMCOAL. Has also held operational managerial titles with several junior mining organisations. 

His appointment as CEO provides the company with expertise in feasibility studies, project development, plant construction, commissioning and production. In addition, his operational and business experience in South Africa and Australia will provide Stonewall with insights into the business dynamics of these two countries so that we can integrate them into the future of the company.


Mr Chin Haw Lim

Chief financial officer & company secretary

Chin Haw Lim is a chartered accountant who has worked with various ASX-listed companies as CFO/financial controller and company secretary. 

These include Finders Resources’ financing, development and operation of its Wetar copper project in Indonesia, and Straits Resources’ development and operation of its Girilambone Copper Mine in NSW and its Nifty Copper Mine in WA. 

Chin Haw also worked with Straits’ Sebuku coal mine in Indonesia and with Triako Resources’ Mineral Hill gold/copper mine in NSW.


Mr Johan Fourie

Group compliance manager

Johan Fourie holds a Master of Science degree in Mechanical Engineering, which he obtained in 1992 at the University of Witwatersrand. He has also obtained tertiary qualifications in occupational hygiene, mine environment engineering infrastructure, environmental law, environmental auditing and environment management from institutes such as the Chamber of Mines and Universities of Reno Nevada, Witwatersrand, North West and Cape Town. 

Johan has over 37 years of experience in environmental engineering and compliance, and previously held the position of group environment engineering consultant at JCI Incorporated. Following that, Johan established, owned and managed his own environment engineering consultancy company, Johan Fourie and Associates, which consulted to Transvaal Gold Mining Estates Ltd. 

Johan is a director of WMC Pty Ltd, director of JFA Environmental Engineering Consultants and is a member of the Kwasazi House of Experts. 

He was appointed as Stonewall’s group compliance manager in September 2012.


Mrs Elane Botha

Group legal adviser

Elane Botha obtained her B.Proc in 1996 at the University of Johannesburg, her Bachelor of Laws degree in 1998 at the University of Pretoria, and her Master of Laws degree in 2000 at the University of South Africa. She has certificates in environmental management and advanced arbitration. Mrs Botha also has her Master of Science degree in Environmental Management, which she obtained in 2012 at the University of the Freestate. 

Mrs Botha has more than 14 years of legal experience and is a qualified advocate. She has held positions at the Department of Justice and Adams & Adams, and has spent the past 8 years practising as a self-employed advocate. 

Mrs Botha joined Stonewall in May 2013 as the group legal adviser.