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GMC 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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Xu
Libin

DEPUTY MANAGING DIRECTOR
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Li
Lijun

CHIEF FINANCIAL OFFICER
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Benjamin
Quashie

CHIEF SUSTAINABILITY OFFICER
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Sun
Yuanwei

CHIEF SUPPLY CHAIN OFFICER
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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.

DEPUTY
MD

Mr. Xu Libin serves as the Deputy Managing Director of Ghana Manganese Company Ltd (GMC), bringing with him decades of distinguished experience in engineering, corporate leadership, and international resource management.

Beginning his professional journey as a senior Mechanical Engineer in 1986, Mr. Xu has since held numerous senior leadership positions across major industrial corporations. He previously served as Board Chairman and General Manager for five subsidiaries under China National Building Materials Group, where he was instrumental in driving operational excellence and strategic growth.

In 2019, Mr. Xu joined Tianyuan Manganese Industry Group (TMI) as Vice President, overseeing the waste residue disposal sector with a focus on sustainable practices and environmental compliance. He also served as Deputy General Manager of Consolidated Minerals Limited from July 2023, where he contributed significantly to business development and operational efficiency.

In addition to his role as Deputy Managing Director, Mr. Xu Libin currently sits on the Board of Directors of Ghana Manganese Company Ltd, where he continues to provide strategic leadership direction and governance oversight.

Mr. Xu is widely respected for his deep industry knowledge, proven leadership capabilities, and unwavering commitment to operational integrity and sustainable development.

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.

Ato Quashie

CSO

Benjamin Quashie is an Executive Mining Engineer with over 27 years of global mining experience in metalliferous operations for both surface and underground mines. He was appointed as the Chief Operations Officer (COO) in May 2018, by GMC Board from Beijing where he was based. Ben as he is affectionately called assumed the office of a newly created role at GMC, Chief Sustainability Officer (CSO), in September 2020, and is responsible for Geology, Health and Safety, Environment, Social Responsibility, External Relations & Communication and Security.

Prior to his engagement at GMC, Ben was the Practice Lead Engineering – Asia, for RungePincockMinarco (RPM), a renowned mining consultancy firm headquartered in Brisbane, Australia. He managed project teams in Asia and participated in the completion of Independent Technical Reports (ITR) and/or Competent Person’s Report (CPR) for companies seeking to go for IPO and private equity investments internationally. 

Ben also worked for J.T BOYD Company, Pittsburgh, USA, as an executive mining consultant focusing on higher level strategic work such as Feasibility Studies, Technical Due Diligence, Fatal Flaw Reviews of active mining companies and Independent Technical Reports for the purposes of mergers and acquisitions. 

He was with China ENFI Engineering Company, a non-ferrous metal design institute, Beijing, China, as a senior mining engineer predominantly working on mine planning, pit optimization and pit design and scheduling for Ore Reserve estimation. His work at ENFI also involved provision of underground mining solutions to companies across China. 

Mr. Quashie is a registered member of Society for Mining, Metallurgy and Exploration (SME), a JORC Compliant mining engineer and a Competent Person for Ore Reserves as designated by Hong Kong Exchange.

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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