Meet the Team

Board of Directors &
Senior Management

Ferrox has experienced international executive and management teams. They comprise investment, technical and other professionals who are familiar with the South African mining environment.

The operations office is based in Johannesburg while the regulatory and legal teams work from Johannesburg as well as from offices in Canada, the UK, Luxembourg and BVI.

Black and white portrait of a middle-aged man with light hair smiling in a suit and tie.

Terrence P. Duffy

  • Terrence Duffy is a distinguished executive and seasoned investor serving as the Chairman and CEO of both Ferrox Critical Minerals and Lionhart Capital, a Canada-based firm overseeing hedge fund and private equity operations.

    With a career deeply rooted in the mining and natural resources sectors, Terry brings extensive operational and developmental experience gained through his work with prominent South African entities, including Eastern Platinum and Petra Diamonds. Since founding Lionhart Capital in 1993 with less than $10 million in capital, he has steered the firm’s evolution into a robust global organization. Under his leadership, Lionhart has developed a core competence in mining investments while successfully allocating capital across a diverse range of strategies, industry sectors, and asset classes.

    Throughout his tenure, Terry’s strategic approach to investment and rigorous focus on risk management have been the cornerstones of the firm’s success, enabling Lionhart to deliver above-average returns in seventeen of its first nineteen years. This consistent performance has earned the firm widespread industry acclaim, including nine Barclay Hedge awards—reaching a #1 ranking five times—as well as multiple honors from Hedge Fund Review and EuroHedge. Before establishing Lionhart, Terry built a formidable reputation at First Interstate Capital Markets as the Head Trader of Global Equity Derivatives, where he was instrumental in generating significant proprietary profits.

    His professional expertise is underpinned by a strong technical foundation, holding a Bachelor of Science degree in Mathematics and Computer Science from Purdue University.

Chairman and CEO

Black and white photo of a smiling man with glasses, wearing a suit and striped tie.

David Sims

  • David Sims is the Managing Director of Sentinel International Management SA in the Cayman Islands, bringing over 25 years of experience in the offshore financial services sector. A recognized expert in the alternative investment space, David possesses extensive proficiency in the structuring, administration, and management of hedge funds and diverse investment vehicles, particularly those domiciled in the British Virgin Islands and the Cayman Islands. His global reach is reflected in a career spent providing specialized financial services to corporations across the United States, Canada, the United Kingdom, Switzerland, Brazil, Hong Kong, Japan, and South Africa. Currently, he serves as a director for several prominent international hedge funds.

    In 1997, David founded the firm as part of the Beacon Group of Companies; after a rebranding at the end of 2014, the organization returned to private ownership as Sentinel International Management SA, where it now specializes in providing expert director services to alternative investment funds and managers. Before his leadership roles at Sentinel and Beacon Fund Advisors, David served as a Director for Citco Fund Services and Citco (BVI) Ltd.

    Originally from South Africa and a graduate of the University of Cape Town (1981), David is a fluent Afrikaans speaker and is currently a resident of the British Virgin Islands.

Director

Black and white professional headshot of a man wearing glasses, a suit, and a striped dress shirt with a patterned tie.

Allen J. Palmiere

  • Allen Palmiere is a veteran of the international mining sector, boasting over 25 years of experience in C-suite executive roles across a diverse range of global operations.

    His career is defined by a consistent track record of corporate restructuring, massive capital raises, and successful exits. Notably, from 2004 to 2009, Allen served as both CEO and Chairman of the Board for Hudbay Minerals, a TSX-listed company valued at C$3 billion. During this pivotal period, he overhauled the company’s governance structure, restructured the board, and installed a new operations team to drive growth. His ability to spearhead corporate turnarounds was also evidenced during his tenure at Barplats from 2004 to 2006; by rebuilding the management team and accelerating production, he facilitated a sale to Eastplats that yielded a staggering 1,000% return and created Canada’s largest platinum producer.

    In addition to his work with Hudbay and Barplats, Allen served as President and CEO of Adriana Resources from 2009 to 2015. Under his leadership, the company raised $180 million, expanded its iron ore resource base, and successfully negotiated a joint venture with a major Chinese partner following the completion of a comprehensive feasibility study.

    His executive experience also includes serving as President and CEO of Silk Road Resources and a ten-year tenure as CFO and VP of Zemex. At Zemex, Allen was a primary architect of growth, closing 12 acquisitions in eight years and raising $1.2 billion in debt and equity—efforts that tripled the company's size and maintained an EBITDA growth rate of 20% per annum.

    A Chartered Accountant since 1981, Allen holds a Bachelor of Commerce degree from the University of British Columbia.

Executive Director

Black and white portrait of a man wearing glasses, a suit, a white shirt, and a checkered tie, against a plain background.

Saad Hussain

  • Saad Hussain is an accomplished professional with over a decade of experience in mining operations and corporate development, specializing in the natural resources sector of Sub-Saharan Africa. His technical expertise spans a wide range of bulk and critical mineral commodities, including magnetite, ilmenite, vanadium pentoxide, and phosphates, as well as essential ferro-alloys such as ferro-titanium, ferro-vanadium, and ferro-chromium. At Ferrox, Saad has been a pivotal figure in infrastructure and logistics, successfully securing the company's railway terminal and transportation allocations for ore and mineral concentrates through strategic negotiations with South Africa’s largest state-owned enterprises.

    Beyond his operational contributions, Saad leverages a diverse finance background to lead Ferrox’s financing and marketing initiatives. A hallmark of his financial leadership was the successful structuring and closing of a complex transaction involving an American Special Purpose Acquisition Company (SPAC) listed on Nasdaq. Currently, he also serves as the Corporate Development Executive at Lionhart Capital, a Toronto-based hedge fund and private equity firm. Prior to his leadership roles at Ferrox and Lionhart, Saad gained foundational experience in retail banking at the Canadian Imperial Bank of Commerce (CIBC).

    He holds a Master of Finance from the Smith School of Business at Queen’s University, Canada..

Corporate Development, Executive

South African
Technical Team 

The company's integrity and reputation for ethical practices are among its most valued assets, and are essential elements in its continued quest for sustained profitability.
The management team enacts this strategy, and is achieving targeted and measurable results.

Black-and-white portrait of a bald man in a suit and collared shirt smiling at the camera.

Marc Veitch

Commercial, Legal & Marketing (Project Lead) LLB, MBA

  • Marc has more than three decades business experience in international mergers and acquisitions, commodity funding and trading, mine development and funding, and high value metal processing and engineering projects. Marc has recently returned to the legal profession to offer expert consultancy services to Faros Attorneys.

Portrait of a middle-aged man in a white Nike polo shirt, sitting indoors with a plant in the background.

Petrus Matumba

  • Petrus is an experienced mining and occupational health specialist with a strong background in mine environmental control, occupational hygience, and SHEQ (Safety, Health, Environment, and Quality) management. With over two decades of experience in both government and private sectors, he has held senior roles at the Department of Mineral Resources (DMR) and Glencore.

    He holds multiple industry qualifications and certifications i.w. Radiation Control, Mine Environmental Control, Occupational Hygiene, and Health & Safety, Gelogy, Mining Law and is proficient in regulatory data systems and project management tools. 

    Petrus is a member of the Mine Ventilation society and is known for his methodical approach to health risk assessment, compliance audits, incident investigations, and environmental safety in mining. 

Community & License/Permit/Municipal Liason

Black and white photo of a smiling woman in professional attire, with straight hair, against a plain background.

Lerato Legoete

Project Management & Logistics
B.Sc. BSc. Hons. MComm

  • Lerato is a logistics and project management professional with over 20 years’ experience across energy, infrastructure, and manufacturing. She holds a Master’s in Strategic Project Leadership & Management and has a proven track record in operational efficiency, stakeholder engagement, and global project delivery.

A smiling woman with glasses and earrings, wearing a patterned sleeveless top, standing in front of a wooden background.

Gina Grobler

  • Gina obtained her B.Com. degree in Financial Management at the University of Pretoria in 2001. She qualified as a Professional Accountant registered with SAIPA in 2012 and has 25 years of experience in accounting practice.

    Mainly focusing on transactional support, Gina provides typical financial accounting services, and her field of experience includes all accounting functions, statutory compliance and management reporting.

    Gina has gained extensive experience on various accounting and consulting engagements and has been involved in the mining sector for 20 years.

    Gina is a senior associate at FJD & Associates, a boutique accounting firm that is based in Pretoria, South Africa.

Director of Tivani (Pty) Ltd

Independent Consultants

Our independent competent persons for resources, mining and metallurgical processes.

A middle-aged man with a white beard and smiling, wearing a checked shirt and a zip-up jacket, indoors at what appears to be a social gathering.

Mining & Operations. Geologist
B.Sc. BSc. Hons. Bus Admin. Hons. Prof. Scientist. MGSSA

Dennis Human

  • Dennis Human is a mining, resource, and industrial project specialist with over three decades of experience across Southern Africa. He has held leadership roles including General Manager of a London-listed junior minor, Senior Manager at the IDC, and MD of several mining ventures. 

    He is a competent person with expertise in mine management, feasibility studies, operational readiness, due diligence, and strategic advisory. Dennis holds BSc and Honours degrees in Geology, Mineral Economics, and Business Administration, and has received national recognition for business turnaround success. 

A black-and-white photo of a man with short dark hair, wearing sunglasses and a checkered shirt, smiling outdoors.

Plant & Process Engineer.
Professional Engineer MEng,
Extractive Metallurgy

Riaan van der Merwe

  • Riaan has extensive global experience in mining, mineral processing, and metallurgy, with expertise in plant operations, process consulting, testwork, and study management across a wide range of commodities. He has held senior technical and leadership roles with Outotec (Australia), Chambishi Metals (Zambia), and Oriel Resources (UK), and currently serves as Chief Metallurgical Advisor for MM Metals USA and Paladar Resources. Skilled in both pyrometallurgy and hydrometallurgy, Riaan brings deep knowledge in process design, plant commissioning, and metallurgical testwork.