About Us
company history
Devvon was incorporated as a Limited Liability Company with a focus on execution of viable projects, developments, initiatives and ventures all over Africa; with strategic partnerships with world class companies placing Devvon Group on an elevated level for global competitiveness and operations, targeting emerging markets with focus on the Gulf Regions, Asia and Africa.
Devvon is built on the principle of local content and collaborating with experienced foreign expertise, to train the local artisans, infiltrate new skills and technologies to enhance company growth.
We are proud of our brand, our projects and people. Our pride in all these is a direct product of our passion for the work we do. We love what we do and fully committed to the tasks for every project we execute. To us, entrepreneurial spirit is more than just good business sense, it’s about taking initiative, generating new ideas and putting our creativity and intelligence to work where they are valued most at our job sites.
We understand that if a project is to be completed on time and on budget, and still without compromising quality, every single person on the job must collaborate. We believe that collaboration is founded on respect for one another, open and honest communication among ourselves, our customers and our partners and must be as horizontal and verical as it can be to enable us deliver on committments we make.
We act with integrity and with high ethical standards in everything we do and say, thereby earning and maintaining the trust and respect of our customers, partners and our employees.
Executive Management Team
Michael Oke P. Eng., MBA, PMP
Executive Chairman
About Michael Oke P. Eng., MBA, PMP
Michael D. Oke is a results-driven executive and Canadian certified Professional Engineer with MBA and PMP credentials. He is widely recognized for his ability to combine technical expertise with strategic business leadership, delivering sustainable growth and value creation across diverse industries. With over two decades of experience spanning energy, petrochemicals, mining, agriculture, and infrastructure development, Michael has consistently demonstrated excellence in corporate governance, portfolio management, and international business development.
Throughout his career, Michael has held senior leadership roles in progressive, people-oriented organizations, successfully managing projects across 37 countries. His global track record includes collaborations with leading corporations such as Shell Canada, Petronas Brazil, ExxonMobil Germany, Total France, Sasol South Africa, Dangote Refinery Nigeria, Reliance India, Gazprom Russia, Saudi Aramco, and Qatar Gas, among others. In these roles, he has consistently delivered measurable results—improving operational efficiency, reducing costs and lead times, maximizing revenue generation, and mentoring cross-functional teams.
As Global Director with Berkshire Hathaway/Marmon/Enersul, Michael spearheaded high-value projects across North and South America, Europe, Africa, Asia, and the Middle East. His leadership style blends pragmatism with vision, enabling him to negotiate complex contracts, build strategic alliances, and oversee large-scale initiatives that align with both shareholder expectations and stakeholder needs.
Currently serving as Executive Chairman of Devvon Group, Michael leads operations in Ghana, Guinea, Sierra Leone, Canada, Kazakhstan, and China. Under his leadership, Devvon has expanded its footprint in energy, mining, agriculture and agri-business, petrochemicals, and infrastructure development, with a strong emphasis on Environmental, Social, and Governance (ESG) principles. He is particularly committed to health, safety, security, community development, and sustainability, ensuring that business growth is aligned with long-term societal impact.
Michael’s expertise extends to identifying and developing value-creating opportunities, structuring mergers and acquisitions, and driving corporate transformation. He has a proven ability to lead multicultural, multidisciplinary teams, fostering innovation and accountability while delivering projects on time and within budget. His governance philosophy emphasizes transparency, fiduciary responsibility, and risk management, ensuring that organizations under his leadership remain resilient and competitive in dynamic markets.
Looking ahead, Michael is focused on positioning Devvon Group as a world-class African multinational, recognized for groundbreaking achievements, financial growth, and transformative contributions to emerging markets. His vision is to build enduring partnerships with governments, investors, and communities, creating shared prosperity while advancing Africa’s role in the global economy.
Michael holds a Bachelor of Science in Electrical & Electronics Engineering from the University of Ibadan, Nigeria, and a Master of Business Administration from Heriot-Watt University, Edinburgh Business School, UK.
Steve Lloyd
Managing Director
About Steve Lloyd
Steven Lloyd has worked in leadership roles in multiple locations in several countries all over North America, Europe, the Middle East, Central Asia and Africa and prior to Sierramin Bauxite, he was in a key operations leadership role working on a $64 billion dollar project to produce 1 million barrels per day crude oil production. With over 34 years in the Mining, Oil and Gas, Engineering and Construction sectors, Steven brings significant experience in the operations field from project conception through execution to completion. Managing operations deliverables, mapping out plans for the safe and seamless start-up of projects he is responsible for, he ensures that Conduct of Operations is clearly defined and always followed through to implement safe and cost-effective start-ups and operations.
Steven has managed multiple capital projects and has been instrumental identifying areas of OPEX reduction, eliminating low value projects works, implementing spare parts pro gram and increasing reliability, resulting in significant production increase. Proven leader developing Operations expenditure and framing future works by planning ahead for 1,3 & 5 years for better efficiency.
Steven’s Project and Operations experience has included assessments of pre-design work, review/consulting on procurement contract forms, and advising/analysis on project delivery methods, constructability reviews, estimation of project-capital cost submittals, catalogue cuts and means, bidding activities, project start-up and operations, project management, construction management, scheduling, value engineering, contract administration, procurement, quality assurance and errors and omissions, daily contractor project execution management, strategic planning, technical issue evaluations, OPEX development and planning as well as Agile project development process.
He also has vast experience in management of HAZOP, PHA, Reliability bad actor investigations, incident investigation and lessons learned implementation to reduce and eliminate project and operational risks. Steven has been involved in multiple environmental remediation projects and takes health, safety and environmental sustainability seriously.
Marlene Amedome
Chief, Bus. Dev. & Partnerships Officer
About Marlene Amedome
Marlene Amedome is a transformative Executive with over two decades of leadership spanning defense, aerospace, mining, petroleum, and international development sectors. Currently serving as the Chief Business Development, & Partnerships Officer at Devvon Group, she spearheads strategic growth initiatives and sustainability integration across West Africa’s emerging markets.
Marlene’s career is defined by her ability to lead complex, high-value programs with precision and purpose. In her previous role as the Managing Director for the U.S. Agency for International Development (USAID)’s $9.5 billion Global Health Supply Chain program, she directed operations across 76 countries, overseeing procurement, contracts, logistics, and strategic partnerships for HIV/AIDS, malaria, TB, and maternal health.
Her earlier roles include positions where she managed multimillion-dollar portfolios across several countries, negotiated international contracts, and implemented supply chain strategies that delivered measurable cost savings and operational excellence. A former U.S. Army Soldier, Marlene brings a disciplined, mission-driven approach to every challenge.
Marlene holds a master’s degree in Public Health (Florida International University) and another in Acquisition & Supply Chain Management (University of Maryland). She is certified in Program Management and Contract Management, respectively, and is certified in Biomedical Human Research. Her expertise includes Earned Value Management Systems (EVMS), FAR/DFAR compliance, Contract management and Negotiations, ESG frameworks, and supplier performance management. Widely respected for her empathetic leadership and strategic vision, Marlene has earned multiple accolades, including the Chemonics Excellence and Innovation Award (2022–2024) and several commendations from the U.S. Army.
Kunle Oyewole
Chief Finance & Strategy Officer
About Kunle Oyewole
Kunle Oyewole is a seasoned banker with over 27years experience with 22years of it at senior management level. Kunle is an accounting graduate with 19years post qualification experience as a chartered accountant. He holds B.Sc Accounting from Ogun State University in 1998 and MBA degree from Obafemi Awolowo University, Ile-Ife, Osun State in Nigeria in 2005. He has worked and gained experience in every strategic unit of the banking and consulting entities covering Finance, Corporate Finance, Human Resource Management, Sales, Risk Management, Compliance, Treasury Management and Strategies. Key skills include start-up of large corporate entities, set up of business intelligence system, identification, head-hunting and retainership of critical management human resources, regulatory liaison, and compliance
Kunle is a dynamic professional at the intersection of accounting, compliance, and corporate advisory. With deep expertise in foreign direct investment sourcing and strategic project management, he helps businesses unlock growth through sound governance and scalable financial strategies. Whether leading complex fund sourcing efforts or crafting investment frameworks, Kunle brings the precision of a compliance expert and the foresight of a strategist.
A firm believer in reflective practice, Kunle draws sharp insights from solo walks for strategic thinking and energizes collaborative solutions through knowledge-sharing group walks. From Sierra Leone to global corridors of opportunity, he blends rigor, vision, and motion — turning complexity into actionable progress.
Senzo Phakati
Director, Administration
About Senzo Phakati
Mr. Senzo Phakati serves as the Director of Administration at Devvon Group, where he provides strategic leadership in managing the Group’s administrative, governance, and operational support functions. With over a decade of experience in corporate administration and organizational management, he is instrumental in ensuring that the Group’s internal structures run seamlessly in alignment with its growth strategy.
In his role, Senzo oversees compliance, policy implementation, workforce support, and operational systems that enable efficiency across all divisions of the company. He is committed to building effective processes that strengthen organizational performance while fostering a culture of accountability, collaboration, and excellence.
Senzo is widely recognized for his ability to align administrative operations with business objectives, creating an enabling environment for innovation and long-term success. His leadership ensures that Devvon Group remains agile, efficient, and well-positioned to deliver value to its clients and stakeholders.
A results-driven professional, he is passionate about developing sustainable administrative systems that empower teams and enhance productivity. Through his dedication and vision, Senzo continues to play a critical role in reinforcing Devvon Group’s reputation as a forward-thinking and trusted business leader in its industry.
Marco Naayem
Director, Commodities Trading
About Marco Naayem
Marco Naayem is a highly astute and accomplished professional with over two decades of extensive experience spanning across multiple sectors, including Finance, Financial Markets, International Commodity Trading, Oil & Gas Trading and Supply, and Large-Scale Infrastructure Project Finance & Management. Over the course of his career, Marco has developed a reputation for delivering strategic and results-driven solutions while navigating some of the most dynamic and challenging global markets.
Marco’s expertise extends to working at high-level capacities with private enterprises, institutional investors, and government entities, where he has played a pivotal role in structuring complex financial instruments, facilitating international trade deals, and managing multi-million-dollar infrastructure projects. His strong analytical acumen and deep understanding of global economic trends have enabled him to consistently identify lucrative opportunities and mitigate risk, particularly in volatile sectors such as energy and commodities.
A significant portion of Marco’s work has focused on emerging and frontier markets, where his strategic insights and well-established networks have positioned him as a key facilitator for development and investment. He has cultivated especially strong governmental and commercial relationships across Sub-Saharan Africa, The Middle East, and Asia, allowing him to successfully bridge gaps between international capital and regional development goals.
Marco’s ability to operate seamlessly across cultures and jurisdictions, coupled with his commitment to ethical business practices and sustainable growth, has earned him the trust of stakeholders at the highest levels. His professional journey reflects a deep dedication to fostering economic advancement and building long-term partnerships that contribute meaningfully to the global financial and energy landscape.
Mahmoud Abumark
Director, Operations
About Mahmoud Abumark
Mr. Mahmoud Abumark is a highly qualified and motivated professional with extensive experience across multiple sectors, bringing a wealth of expertise to his role as Director of Operations at Devvon Group. Known for his strategic insight and operational leadership, Mahmoud plays a pivotal role in ensuring the seamless execution of Devvon’s projects across energy, infrastructure, and industrial development.
Mahmoud completed his studies in the United Kingdom, earning a Bachelor’s degree in Economics and Development Studies from a reputable university in England. He further enhanced his professional credentials with a Postgraduate Qualification in Oil & Gas Management, equipping him with a strong foundation in both economic analysis and the technical-commercial aspects of the global energy industry.
Over the course of his career, Mahmoud has built a distinguished track record in the extractive industries, particularly within the oil and gas sector. His expertise spans project management, operational oversight, and strategic consultancy, with assignments successfully delivered across Africa, Asia, the United States, and Europe. This international exposure has given him a deep understanding of diverse regulatory environments, market dynamics, and stakeholder expectations, enabling him to navigate complex cross-border operations with confidence.
Mahmoud has provided consultancy services to a wide range of companies, advising on operational efficiency, risk management, and sustainable growth strategies. His ability to combine analytical rigor with practical solutions has made him a trusted advisor to both private enterprises and public institutions. He is particularly adept at aligning operational frameworks with corporate strategy, ensuring that projects are delivered on time, within budget, and to the highest standards of quality and compliance.
At Devvon Group, Mahmoud oversees the day-to-day operations of the company’s diverse portfolio, ensuring that strategic initiatives are translated into measurable results. He works closely with senior leadership to optimize resource allocation, streamline processes, and strengthen governance structures. His leadership style emphasizes collaboration, accountability, and innovation, fostering a culture of excellence across the organization.
Beyond his technical and managerial expertise, Mahmoud is deeply committed to capacity building and knowledge transfer, mentoring teams and empowering local talent in the regions where Devvon operates. His focus on sustainable development and community engagement reflects Devvon Group’s broader mission of creating long-term value not only for shareholders but also for host communities and national economies.
With his strong academic background, global consultancy experience, and proven operational leadership, Mahmoud Abumark is a key driver of Devvon Group’s ambition to become a world-class multinational enterprise. His vision and dedication continue to strengthen the company’s position as a trusted partner in delivering transformative projects across emerging markets.
Pavel Gonchar
Director, Construction
About Pavel Gonchar
Pavel Gonchar has been involved with Construction projects as an advisory leader and with several senior management Construction Project roles under his belt. His responsibilities have included leading complex Construction and Infrastructure projects from initiation all through to execution, monitoring and controlling stages, all the way to project completion; always under budget, on time and without compromising quality, meeting Customer expectations. He has extensive experience in Project innovative risk management systems on Projects across several countries and he has been able to efficiently and effectively identify and relate relevant technical issues to complete solutions using engineering principles selected by counsel, thus avoiding scope creep which then facilitates project development using appropriate courses of action.
Pavel has led numerous international projects to success over the last 20 years working with Project owners and contractors and providing services such as plant operations, project management, construction management, process design, environmental and safety engineering, regulatory compliance administration, rule negotiation and testimony as well as consulting and HAZOP chairmanship.
He has extensive experience throughout all phases of Mine Construction development, Project Commerce with extensive experience drafting and negotiating numerous types of contracts and financial instruments. Pavel's engagement experience has included assessments of pre-design work, review/consulting on procurement contract forms, and advising/analysis on project delivery methods, constructability reviews, estimation of project-capital cost submittals, catalog cuts and means, bidding activities, project start-up and operations, project management, construction management, scheduling, value engineering, contract administration, procurement, quality assurance and errors and omissions.
He has also performed ISO 9000 and other audits, strategic planning, technical issue evaluations and forensic engineering. In the risk management area, his experience includes project governance reviews, claims prevention, project risk assessment, project risk management training/audits and the development of corporation-wide risk management programs for multi-national corporations and public and private entities. His experience in project analysis and audits spans many countries, several industries and total installed cost values, with overall project values exceeding $500 million USD.
Brimah A. Conteh
Director, Mining
About Brimah A. Conteh
Mr. Conteh is currently a General Manager for Sierramin Bauxite (SL) Ltd. He started as project manager in 2014 and became the technical director and Chief Operations Officer in 2017 after working with several poverseas based consulting firms on the project. For the past 7 years he has been working on the bauxite project with SRK Consulting (UK) and Mineral Information and Development Centre (MIDC; India). He fully participated in the development of several exploration and beneficiation protocols for a low/medium grade bauxite deposit to achieve a high marketable grade at reasonable recoveries. With his Mechanical engineering background, he also participated in the development and assessment of two trial beneficiation plants for the same bauxite deposit.
Mr. Conteh is specialized in computer Aided Design, Mine Survey/planning and exploration resource assessment. He has a wealth of experience spanning over 23years in the mining industry. He worked as Mine Surveyor on the Koidu Kimberlite Project (2002-2006) where he rose to the rank of Chief Surveyor and Mine Planning Engineer; (Koidu Holdings (S.A)). He also served as Mining and Exploration Planning Engineer for SLDC -Kono (2006-2008) and later Surveying, Planning and GIS Expert, and Geological Advisor for Target Resource Expert -TME (2008-2009); all in alluvial Diamond and Gold Operations. He has also worked for Avivit Minerals Resources Ltd. Sierra Leone (2009-2011) and Milestone Mining Company as Mining and Exploration Planning Manager respectively. From 2011 - 2013 he worked as project Manager in Universal Gold Mining and Exploration Monitoring 3 different exploration project licenses in Sierra Leone.
Mr. Conteh has also involved in a lot of consultancy work for several exploration and mining projects in Sierra Leone, especially alluvial and hard rock diamond and gold deposits
Young Pan
Director for Sales and Bus. Dev. (Asia)
About Young Pan
Mr. Yong Pan serves as the Director for Sales and Business Development – Asia at Devvon Group, bringing with him more than 18 years of international experience across engineering, trading, agribusiness, and industrial project development. Based in Asia and West Africa, he has built a reputation as a dynamic business leader who bridges markets, cultures, and industries to deliver sustainable growth and long‑term partnerships.
Yong’s career began in China’s manufacturing and engineering sector, where he gained a strong technical foundation in factory operations, food science, and industrial processes. Early roles with Roquette China and CBH Co. Ltd. gave him hands‑on exposure to production, quality assurance, and vendor management. He quickly transitioned into sales engineering positions with Shanghai Triwoin Tech Co. Ltd. and Krones AG, where he marketed advanced food processing and packaging technologies to global clients. These formative years sharpened his ability to combine technical knowledge with commercial acumen—skills that continue to define his leadership style today.
In 2009, Yong expanded his career into international trade and business management. As General Manager of Subeik Trading (Shanghai) Co. Ltd., he coordinated sourcing, financing, and logistics for sister companies in Ghana, supporting operations in food processing and construction materials. He later joined Niche Food (Shanghai) Co. Ltd., where he was instrumental in sourcing Ghanaian cocoa products for the Chinese market, successfully promoting West African commodities to Asian buyers.
From 2017 to 2019, Yong served as Country Director for China National Building Materials Group (CNBM) in Ghana. In this role, he secured contracts under Ghana’s flagship “One District, One Factory” (1D1F) program, promoted Chinese technology and equipment to both government and private sector projects, and developed markets for building materials such as glass, gypsum board, and steel coils. His work in supply chain management and warehousing further strengthened his expertise in large‑scale project execution.
Since 2019, Yong has held dual leadership roles as General Manager of Sinowa International Engineering Co. Ltd. and Business Manager of Tiast West Africa Ltd.. He has led financing, engineering, procurement, and construction for agro‑industrial projects including rice milling, shea processing, cassava starch production, sardine canning, and solar power plants. Under Tiast’s innovative “financing, building, operating, maintaining, and off‑taking” model, he has successfully developed integrated value chains for grain, oilseeds, fruits, and vegetables—demonstrating his ability to align investment, technology, and market access.
At Devvon Group, Yong Pan leverages this extensive background to drive sales growth, strategic partnerships, and business development across Asia. His mandate includes expanding Devvon’s footprint in energy, petrochemicals, agribusiness, and infrastructure, while fostering cross‑border collaboration between Asian investors and African markets. Fluent in English and Mandarin, and deeply familiar with both Asian and African business cultures, he is uniquely positioned to serve as a bridge between continents.
Yong holds a Bachelor’s degree in Food Science and Engineering from Jiangsu Ocean University, where he graduated as an outstanding student. His professional skills include project planning, problem solving, critical thinking, and collaborative leadership.
With his proven track record of delivering high‑impact projects and his commitment to building sustainable partnerships, Yong Pan embodies Devvon Group’s vision of becoming a world‑class multinational driving growth across emerging markets.
Pavel Gonchar
Director, Construction
About Pavel Gonchar
Pavel Gonchar has been involved with Construction projects as an advisory leader and with several senior management Construction Project roles under his belt. His responsibilities have included leading complex Construction and Infrastructure projects from initiation all through to execution, monitoring and controlling stages, all the way to project completion; always under budget, on time and without compromising quality, meeting Customer expectations. He has extensive experience in Project innovative risk management systems on Projects across several countries and he has been able to efficiently and effectively identify and relate relevant technical issues to complete solutions using engineering principles selected by counsel, thus avoiding scope creep which then facilitates project development using appropriate courses of action.
Pavel has led numerous international projects to success over the last 20 years working with Project owners and contractors and providing services such as plant operations, project management, construction management, process design, environmental and safety engineering, regulatory compliance administration, rule negotiation and testimony as well as consulting and HAZOP chairmanship.
He has extensive experience throughout all phases of Mine Construction development, Project Commerce with extensive experience drafting and negotiating numerous types of contracts and financial instruments. Pavel's engagement experience has included assessments of pre-design work, review/consulting on procurement contract forms, and advising/analysis on project delivery methods, constructability reviews, estimation of project-capital cost submittals, catalog cuts and means, bidding activities, project start-up and operations, project management, construction management, scheduling, value engineering, contract administration, procurement, quality assurance and errors and omissions.
He has also performed ISO 9000 and other audits, strategic planning, technical issue evaluations and forensic engineering. In the risk management area, his experience includes project governance reviews, claims prevention, project risk assessment, project risk management training/audits and the development of corporation-wide risk management programs for multi-national corporations and public and private entities. His experience in project analysis and audits spans many countries, several industries and total installed cost values, with overall project values exceeding $500 million USD.
Brimah A. Conteh
Director, Mining
About Brimah A. Conteh
Mr. Conteh is currently a General Manager for Sierramin Bauxite (SL) Ltd. He started as project manager in 2014 and became the technical director and Chief Operations Officer in 2017 after working with several poverseas based consulting firms on the project. For the past 7 years he has been working on the bauxite project with SRK Consulting (UK) and Mineral Information and Development Centre (MIDC; India). He fully participated in the development of several exploration and beneficiation protocols for a low/medium grade bauxite deposit to achieve a high marketable grade at reasonable recoveries. With his Mechanical engineering background, he also participated in the development and assessment of two trial beneficiation plants for the same bauxite deposit.
Mr. Conteh is specialized in computer Aided Design, Mine Survey/planning and exploration resource assessment. He has a wealth of experience spanning over 23years in the mining industry. He worked as Mine Surveyor on the Koidu Kimberlite Project (2002-2006) where he rose to the rank of Chief Surveyor and Mine Planning Engineer; (Koidu Holdings (S.A)). He also served as Mining and Exploration Planning Engineer for SLDC -Kono (2006-2008) and later Surveying, Planning and GIS Expert, and Geological Advisor for Target Resource Expert -TME (2008-2009); all in alluvial Diamond and Gold Operations. He has also worked for Avivit Minerals Resources Ltd. Sierra Leone (2009-2011) and Milestone Mining Company as Mining and Exploration Planning Manager respectively. From 2011 - 2013 he worked as project Manager in Universal Gold Mining and Exploration Monitoring 3 different exploration project licenses in Sierra Leone.
Mr. Conteh has also involved in a lot of consultancy work for several exploration and mining projects in Sierra Leone, especially alluvial and hard rock diamond and gold deposits
Pavel Gonchar
Construction Director
About Pavel Gonchar
Pavel Gonchar has been involved with Construction projects as an advisory leader and with several senior management Construction Project roles under his belt. His responsibilities have included leading complex Construction and Infrastructure projects from initiation all through to execution, monitoring and controlling stages, all the way to project completion; always under budget, on time and without compromising quality, meeting Customer expectations. He has extensive experience in Project innovative risk management systems on Projects across several countries and he has been able to efficiently and effectively identify and relate relevant technical issues to complete solutions using engineering principles selected by counsel, thus avoiding scope creep which then facilitates project development using appropriate courses of action.
Pavel has led numerous international projects to success over the last 20 years working with Project owners and contractors and providing services such as plant operations, project management, construction management, process design, environmental and safety engineering, regulatory compliance administration, rule negotiation and testimony as well as consulting and HAZOP chairmanship.
He has extensive experience throughout all phases of Mine Construction development, Project Commerce with extensive experience drafting and negotiating numerous types of contracts and financial instruments. Pavel's engagement experience has included assessments of pre-design work, review/consulting on procurement contract forms, and advising/analysis on project delivery methods, constructability reviews, estimation of project-capital cost submittals, catalog cuts and means, bidding activities, project start-up and operations, project management, construction management, scheduling, value engineering, contract administration, procurement, quality assurance and errors and omissions.
He has also performed ISO 9000 and other audits, strategic planning, technical issue evaluations and forensic engineering. In the risk management area, his experience includes project governance reviews, claims prevention, project risk assessment, project risk management training/audits and the development of corporation-wide risk management programs for multi-national corporations and public and private entities. His experience in project analysis and audits spans many countries, several industries and total installed cost values, with overall project values exceeding $500 million USD.
Stewart Douglas
Finance & Strategic Planning Director
About Stewart Douglas
Stewart has always had a passion for Finance, Economics, received a Canadian Securities Course and occupied various senior management positions across Western Canada, the last being with one of the top retailers in the world and was utilized as a leader in guiding teams to reach new levels of success and being noted for consistently building teams that exceeded set targets and objectives, increasing Clients base and reducing shrink and expenditure. Throughout his career, he has been involved in ensuring optimum performance at the highest levels, developing a number of core skills that include but not limited to the following: Business Development, Negotiation, Mergers and Acquisition, Asset Management, Commercial Strategy Development and Execution, Project Economics, Project Management, Business Planning, Profit & Loss Responsibility, Investment Appraisals and Re source Allocation, as well as Leadership/Communication, Capital Raising and Project Finance, Joint Ventures and Strategic Alliances Formation, Supply Chain Management, Business Planning, Corporate Governance and Organizational Behaviour.
Stewart has also been involved with Divestitures, Portfolio rationalization of company assets, Negotiating divestments and acquisitions of assets that provide complementary fit to existing portfolio, Negotiation of Alternative Funding for Asset Development and has maintained a live outlook of the Intrinsic Business Value of various portfolio groupings. Worked directly with other Senior Management team members and relevant staff on Project planning, Execution, Monitoring and Control, Studies teams, Operations, Tax Advisory, Legal and Finance advisor to appropriately frame opportunities and assure value creation throughout development cycle.
Coordinated several teams that provided on dedicated basis, frontline economic analyses to portfolio of development opportunities/projects through various decision gates/reviews, through to final Investment Decision.
He has vast knowledge, experience and expertise in Investment Proposals, divestment economics to support/facilitate deals' decision-making, carried out periodic economics evaluation and consolidation of all business plan submissions in respect of development studies, delivered staff competency development, coaching of regional economics skill pool and coordinated the Economics IT systems and Tool sets ensuring projects met scheduled timelines, were under budget without compromising HSE requirements or compromising quality standards by any means.
Brimah A. Conteh
General Manager
About Brimah A. Conteh
Mr. Conteh is currently a General Manager for Sierramin Bauxite (SL) Ltd. He started as project manager in 2014 and became the technical director and Chief Operations Officer in 2017 after working with several poverseas based consulting firms on the project. For the past 7 years he has been working on the bauxite project with SRK Consulting (UK) and Mineral Information and Development Centre (MIDC; India). He fully participated in the development of several exploration and beneficiation protocols for a low/medium grade bauxite deposit to achieve a high marketable grade at reasonable recoveries. With his Mechanical engineering background, he also participated in the development and assessment of two trial beneficiation plants for the same bauxite deposit.
Mr. Conteh is specialized in computer Aided Design, Mine Survey/planning and exploration resource assessment. He has a wealth of experience spanning over 23years in the mining industry. He worked as Mine Surveyor on the Koidu Kimberlite Project (2002-2006) where he rose to the rank of Chief Surveyor and Mine Planning Engineer; (Koidu Holdings (S.A)). He also served as Mining and Exploration Planning Engineer for SLDC -Kono (2006-2008) and later Surveying, Planning and GIS Expert, and Geological Advisor for Target Resource Expert -TME (2008-2009); all in alluvial Diamond and Gold Operations. He has also worked for Avivit Minerals Resources Ltd. Sierra Leone (2009-2011) and Milestone Mining Company as Mining and Exploration Planning Manager respectively. From 2011 - 2013 he worked as project Manager in Universal Gold Mining and Exploration Monitoring 3 different exploration project licenses in Sierra Leone.
Mr. Conteh has also involved in a lot of consultancy work for several exploration and mining projects in Sierra Leone, especially alluvial and hard rock diamond and gold deposits
Sheku Kallon
Geology Manager
About Sheku Kallon
A commercially driven geologist and sample processing analyst with a solid management background, and connections, within the minerals and mining sector across the mano River union. Sheku has got over 10 years of experience working in post-conflict Sierra Leone and Liberia planning geology projects, gathering and analyzing geological data, and studying the earth's crust and various materials. Sheku has extensive knowledge of bauxite geology and mineralogy along with the Kasila belts in Sierra Leone, he also understands how the high silica bauxite in Port Loko can be upgraded through beneficiation to meet off-takers and low-temperature refineries specifications.
Proven ability to screen, rank, and prioritize exploration targets for investment. Experience in dealing with government systems and officials to achieve desired commercial out comes. Sheku is amongst several other Sierra Leonean professionals identified by Sierramin Bauxite for further career development to enhance him for his future leading role. Sheku has vast experience of the heterogeneity, density, and nature of the Port Loko bauxite; an experience that places him in the position to meet operational demand and over come associated exploration, mining, and metallurgical challenges.
Plan exploration and development drilling, conduct metallurgical test work, ensure Quality Assurance and Quality Control (QAQC) measures are always adhered to. Supported SRK and other external consultancies to prepare mineral resource estimates as well as other technical reports. Undertaken a training program on mineral resources management, mineral rights management, economic geology conducted at Jiangxi College of Foreign Studies, Nanchang-China. A Strategic thinker with a pragmatic way of translating plans into effective action, Experience with various geological techniques like mining, exploration, sample preparation and analysis, boring and numerical modeling, metallurgical test work, Program design, management, monitoring and evaluation, Risk assessments, financing and budgeting, Familiar with environmental regulations, Experienced Trainer and Facilitator.
Sheku enjoys a cordial relationship with the project community and has been a volunteer teacher helping school children and pupils to understand mathematics and other science subjects. In addition to this, he has mentored over 30 Lab-technicians and attendants on sampling and processing techniques.
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Work on going at Port Loko
- admin
- 24 June 2021
This bauxite bearing belt covers an area of 375 km2 in the Port Loko District, which is located in the

