Khoemacau copper mining [logo]

Our team

Executive management

NAME [photo]

Johan Ferreira

Chief Executive Officer, Khoemacau Copper Mining and Cupric Group

Johan Ferreira has 35 years of experience in the mining industry. His experience includes strategic executive leadership roles together with a managerial execution track record of global / international assignments.


Over and above his strategic leadership and rigorous operational experience, his areas of expertise include: mine design, project management, the turning around of businesses / operations, commissioning of mining projects and starting up and establishing new mining businesses.

Johan started his mining career in 1986 with Anglo American as a Learner Official and progressed to the level of Senior Vice President Operations - South Africa Region, which later operated as AngloGold Ashanti. Prior to joining Khoemacau, Johan was the Regional Senior Vice President - Africa Region for Newmont, based in Ghana. During his four year tenure with Newmont, he had many successes. Apart from dealing with complex internal and external stakeholder relationships, infrastructure challenges, and new project development, Ghana was one of Newmont’s top performing operating divisions under Johan’s leadership

In addition to his career, he also led the Association of Mine Managers of South Africa as President, was the President of the Ghana Chamber of Mines and served as Director on various Boards. Johan was most recently nominated and selected by the mining industry as one of the 10 top Mining Elite Leaders in Africa for 2022.

Johan holds a Bachelor of Engineering (Mining) degree from the University of Pretoria and is a qualified and registered Professional Engineer with ECSA (South Africa) and ERB (Botswana). Johan assumed the role as CEO of the Cupric group, which owns and operates Khoemacau, in October 2018.

Boikobo Bashi Paya [photo]

Boikobo Bashi Paya

Executive Director Stakeholder Engagement, Sustainability and Legal Compliance

Boikobo Bashi Paya (BK) joined Khoemacau Copper Mining from Botswana International University of Science and Technology (BIUST), where he was the Director of Research and Development.


Prior to joining BIUST, BK enjoyed a long career with the Ministry of Minerals Energy and Water Resources (MMEWR), where he rose through the ranks to Permanent Secretary.

BK holds a Bachelor of Science (Geology) degree from the University of Botswana and a master’s degree of Philosophy (Geology) from the University of Portsmouth in the United Kingdom.

John Munro [photo]

John Munro

Director Corporate Finance and Development

John Munro has 30 years of experience in the mining and private equity industries. He began his career with Gold Fields South Africa in 1991, and in 1999, John joined the newly created Gold Fields Limited as the head of feasibility and acquisitions.


He was appointed to the Executive Committee of that company in 2002, and assumed responsibility for international gold, copper and PGM operations and development projects, covering Ghana, Peru, Australia and Finland, he returned to Business Development and Strategy in 2006.

In 2008 he was appointed CEO of Rand Uranium, a private gold and uranium start up in South Africa, owned by First Reserve Corporation, AMCI and Harmony Gold. Following the sale of that company in 2011, he joined First Reserve Corporation’s buyout team in London. In 2014, John commenced working with Cupric Canyon, covering business development and corporate finance, was CEO of the Cupric Group from early 2017 to late 2018, and currently looks after all corporate finance, corporate development and exploration activities.

He is a non-executive director of Manuli. John holds a Bachelor of Science degree in Chemical Engineering from the University of Cape Town, and completed the Advanced Management Program at Harvard Business School.

Jaco Maritz [photo]

Jaco Maritz

Chief Financial Officer – Khoemacau

Jaco Maritz is a chartered accountant and has over 23 years experience in the mining industry. He began his career with PwC whereafter he joined Placer Dome, Barrick Gold and Acacia Mining where he served in various senior financial positions. He was appointed as the Chief Financial Officer for Acacia Mining (LSE Listed Company) in 2017. Following the sale of the company, he joined Khoemacau in 2020 as the Chief Financial Officer of Khoemacau Copper Mining.


Jaco’s career span across various countries working for public companies, including Canada and United Kingdom where he gained and mastered a wide range of skills and experience including continuous business improvement, supply chain, business and strategic planning, developing finance teams, large financing and listing transactions, treasury, concentrate marketing and public company reporting.

He holds an Honours degree in Accounting Science from the University of Pretoria. He is a qualified Chartered Accountant and member of the South African Institute of Chartered Accountants since 2001.

Dale Quaker [photo]

Dale Quaker

Chief Financial officer – Cupric Africa

Dale Quaker has experience in coal mining, chrome smelting, transportation logistics and construction environments. Prior to joining Khoemacau, he operated as a consultant to the mining industry on mining, logistics and finance.


In his last corporate role, he held the position of Group Manager for Marketing and Logistics for Xstrata Coal – South Africa. Prior to that position, Dale was the Corporate Financial Manager for Xstrata Coal where he gained extensive experience in managing and controlling the management reporting function, tax matters as well as information systems.

Dale is a qualified Chartered Accountant and is registered with the Chartered Institute of Management.

Neo Kwakwa [photo]

Neo Kwakwa

Acting General Manager

Neo Kwakwa is a Mechanical Engineer by profession with 33 years post graduate experience, covering project, maintenance, and operational management of heavy industrial plant as well as the statutory regulation of same – with major focus areas being power generation, soda/salt manufacturing, Activox technology and Copper Sulphide Concentrator plants.


He then went to serve as a Principal Engineer in the government inspectorate, after which he joined Tati Nickel Mining as a Projects Engineer for the Activox project. In 2009 he was promoted to Engineering Executive.

Neo, in his prior substantive role, is in charge of all utility service support functions at Khoemacau Mine. Neo holds a Bachelor of Engineering degree from the Technical University of Nova-Scotia in Canada and Master of Science in Combustion and Energy from Leeds University in the United Kingdom.

Mmama Mhlanga-Fichani [photo]

Mmama Mhlanga-Fichani

Vice President Human Resources and Communications

Mmama Mhlanga-Fichani is a mature human resources professional leveraging 17 years of senior management experience. She has held HR leadership positions within diverse industries at all continuums of the HR maturity curve.


Her diverse industry experience ranges from working for an airline, Air Botswana, where she was the Director of Human Resources; a financial institution, Standard Charted Bank, as Country Head of Human Resources; a regulatory entity, the Non-Banking Financial Regulatory Authority, where she was the first Human Resources Manager for the Authority; a telecommunications (Fixed and Mobile Telco) parastatal, Botswana Telecommunications Ltd, where she held positions of Training and Development Manager, Head of Human Resources for BeMobile as well as Head of Capability and Development; an international NGO, the African Comprehensive HIV/Aids Partnerships which was a public/private partnership with the Bill and Melinda Gates Foundation, the Merck Foundation and the government of Botswana operating within a public private partnership model where she held the role of Human Resources Manager.

While pursuing her studies in the US, she gained international work experience working for the Super8 Motel group in Morgantown West Virginia, and the Redstone Arsenal, (United States Army post) in Huntsville, Alabama.

Mmama is a member of the Board of Directors and Chairperson of the HR Sub-Committee of the Botswana Medical Regulatory Authority (BOMRA).

Mmama holds a Master’s in Business and Workforce Training & Development (Indiana University of Pennsylvania), a double major in Bachelor of Science in Business Management (Human Resources Management) and Marketing Management (Fairmont State College, West Virginia) and an Associate of Science Degree in Business Science- Human Resources Management (J.C. Calhoun State Community College, Alabama).

Warren Rigelsford [photo]

Warren Rigelsford

Chief of Staff

Warren Rigelsford has 38 years of experience in power, mining and consulting covering both operations and projects. Warren started his career in 1985 with Pacific Power in New South Wales, Australia, as an undergraduate and professional officer.


After a successful start to his career in the power industry he moved into the private sector where he spent 15 years working for a publicly listed Canadian company in contracting and consulting, working across all aspects of the mining value chain, rising to the level of General Manager and Director for their Australian operations.

Warren moved to Glencore in 2008 (formerly Xstrata Coal), where he held the role of Manager Projects (Global) for the coal division. During his 6 years at Glencore, he moved to South Africa to further his project career. In 2014, Warren joined Khoemacau as the Project and Construction Manager and successfully led the pre-feasibility and feasibility studies and the early FEED works of the Current Operations project and is leading the Expansion and Solar Renewable Energy Projects.

Warren holds a Bachelor of Engineering (Electrical) degree from the University of Technology, Sydney, and a master’s degree of Business Administration (Technology Management) from Deakin University, Melbourne. Warren is a Charted Professional Engineer, a Fellow of the institution of Engineers Australia and a registered Professional Engineer with the ERB (Botswana).