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OUR LEADERSHIP

VISION. INTEGRITY. RESULTS.

GHANA MANGANESE COMPANY LTD
MANAGEMENT

Our Executive Leadership Team is made up of dynamic, experienced, and forward-thinking professionals who bring deep industry expertise, strategic vision, and a commitment to ethical mining. Together, they drive the company’s mission to deliver responsible, sustainable growth while upholding the highest standards of safety, integrity, and community engagement. 

Each member of the leadership team plays a critical role in shaping GMC’s future, overseeing everything from operational excellence and environmental sustainability to financial performance and stakeholder relations. With decades of combined experience across the mining, engineering, finance, and corporate governance sectors, our leaders guide GMC with purpose and accountability. 

They lead by example, champion innovation, and prioritize people, ensuring that our workforce, communities, and partners benefit from every step we take. 

Under their stewardship, GMC  continues to set the standard for modern, responsible mining across the region and beyond. 

EXECUTIVE LEADERSHIP TEAM

Jia
Yandong

MANAGING DIRECTOR
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Joseph
Ampong

General Manager
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Li
Lijun

CHIEF FINANCIAL OFFICER
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Sun
Yuanwei

deputy managing director
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GMC

MD

Mr. Jia Yandong is an accomplished mining executive and corporate leader with a strong track record in the global minerals and resources sector. He currently serves as the Managing Director of Ghana Manganese Company Ltd (GMC), where he leads strategic operations, regulatory engagement, and sustainable business growth.

Before joining GMC, Mr. Yandong was an Executive Official to the Chairman of Tianyuan Manganese Industry Group (TMI) in 2022.

In addition to his executive role, Mr. Yandong serves on the boards of Consolidated Minerals Ltd and Ghana Manganese Company Ltd, contributing high-level oversight and strategic guidance to both organizations. His board experience reflects his deep understanding of the global mining market, corporate governance, and operational risk management.

With a background in business management and international education, Mr. Yandong has acquired strong analytical skills with a global business perspective. Under his leadership, GMC has enhanced production efficiency, strengthened health and safety practices, and deepened its commitment to community development and corporate responsibility.

Joseph Ampong

GM

Joseph Ampong is a mining engineer and a seasoned professional in the industry with over 27 years remarkable experience in surface and underground mining. He was appointed GMM of Ghana Manganese Company Limited (GMC) on 1st September 2013. Before this appointment, he was the mine manager of the company.

Mr. Ampong rose through the mining ladder after completing BSc Degree in mining engineering and started his carrier from Goldfields Ghana- Tarkwa mine in 1994.

He joined Ghana Manganese Company in 1998 and was appointed mine superintendent of the company from 2005 where he particularly achieved turn around situation in challenging operations. He is undoubtedly an asset to the team and report to the Managing Director and CEO.

CFO

Mr. Li Lijun, also known as Michael Li, serves as the Chief Financial Officer of Ghana Manganese Company Ltd (GMC), bringing over 30 years of extensive experience in financial management and strategic leadership across the global mining and metals industry.

Before joining GMC, Mr. Li held the position of Chief Financial Officer at Golden Star Resources- Wassa from May 2022 to June 2023, where he played a key role in financial planning, reporting, and driving operational efficiency.

Before that, he had a distinguished 28-year tenure at China Metals and Minerals Corporation (Minmetals), holding various senior financial roles and contributing to the company’s international expansion and financial transformation.

Mr. Li holds a Bachelor‘s degree from the Central University of Finance and Economics and a Master’s degree from the University of International Business and Economics, both located in Beijing, China.

With a deep understanding of corporate finance, risk management, and resource sector dynamics, Mr. Li is committed to strengthening Ghana Manganese Company’s financial resilience and supporting its long-term strategic goals.

CHIEF SCO

Sun Yuanwei is the Chief Supply Chain Officer at Ghana Manganese Company Ltd, where he leads the strategic management of the company’s end-to-end supply chain operations.

With a strong background in logistics, port management, and regional marketing development, Sun plays a pivotal role in ensuring the efficient sourcing, transportation, and delivery of critical materials and services that support the company’s mining operations.

Sun began his career in West Africa in 2005 as Deputy General Manager of Sales at Maersk Line, where he was responsible for line market promotion across several West African countries.

In 2014, he joined the French Bollore Group as General Manager of Marketing, focusing on integrated logistics and port operations across the region.

Since joining Ghana Manganese Company Ltd, Sun has been instrumental in strengthening supplier relationships, streamlining logistics processes, and driving cost efficiency across the supply chain. His leadership has been key in enhancing supply chain resilience, improving inventory management, and supporting the company’s commitment to operational excellence and sustainability.

Sun Yuanwei brings over 20 years of industry experience and a deep understanding of both international logistics and the West African mining landscape.

His multilingual capabilities further enable him to build strong cross-border partnerships and foster effective collaboration with stakeholders across the supply chain.

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