Management Team


Barry Williams is a visionary entrepreneur who, through determination and hard work, has successfully established and lead numerous engineering companies to remarkable achievements.

A trade graduate from Germiston Technical College in South Africa, Barry obtained his NTC5 qualification as an Engineering Technician after which he paid his training dues.  Ambition and self-discipline soon saw Barry establishing his own engineering and hydraulic services company and between 1980 and 2017, Barry successfully formed and managed Turncliff Hydraulics & Engineering (Pty) Ltd, Vida Mining, Wurthington Trading (Pty) Ltd and DPM Hydraulics in South Africa.  At present, Barry is also a Director of Reasoma in South Africa.

During 1997 Barry was invited to Ghana and in 1998, he relocated permanently to established Harlequin International Ghana Limited.  The new company, based in Tema, provided general engineering services to mining, ports, agriculture and various other industries in Ghana.  It was during this time that Barry successfully negotiated an exclusive dealership for Linde Material Handling Equipment and various other distribution agreements for premium branded catalogue items.

In 2002, Barry established LFS Company Limited to provide support services to the Oil & Gas industry.   The company relocated to Takoradi in 2008.

In dedicated pursuit of continuous development and growth, Barry was the leading force behind Harlequin’s achievement of the highly-acclaimed Quality Management System, ISO 9001:2008 accreditation through DNV in 2010.  Harlequin International Ghana Limited was the first company of its kind in Ghana to achieve this accreditation.

With 37 years’ experience in engineering and formidable foresight, Barry has promoted training and skills development within Harlequin, resulting in a robust team of more than 100 motivated and skilled individuals who strive for quality and excellence in all the company’s objectives.

Barry leads by example and through his exceptional managerial skills, single-minded focus and boundless energy, continues to inspire and lead a highly-motivated team to achieve new heights.




Leyanis Dube-Gati, an M.Sc. Industrial Engineering graduate from the University of Camilo Genfuegos, in Cuba, has in excess of 20 years’ experience in the engineering field.  With a career that spans two continents, Leyanis started in Cuba where she worked in a number of reputable organizations and directed all her efforts to gain knowledge and experience.  Diligence and focus rewarded Leyanis with an opportunity to relocate to Ghana in 1996 where she joined GRATIS.

In 1998 Leyanis joined the Harlequin team and excelled, joining the management team within her first year.  Leyanis achieved Engineering Director status in 2009.  Through her focused efforts, Harlequin achieved the sought-after Quality Management System, ISO 9001:2008 accreditation with DNV in 2010 and her commitment also achieved the testing of the CTLF for a reputed international oil and gas company.

A dedicated and highly skilled engineer, Leyanis continues to lead the Harlequin engineering team through guidance, unwavering commitment and by setting a commendable example.




Martin Owusu Acheampong, a B.Sc. Administration (Accounting) graduate from The Pentecost University College in Accra, is currently at the final level of the Professional Programme from the Institute of Chartered Accountants (Ghana).  The commitment to study while successfully managing a demanding portfolio is noteworthy.

With a career that now exceeds 20 years, Martin brought his experience and knowledge to the Harlequin team when he joined the company as an Accounts Officer in 2000.  Diligence and a strong work ethic propelled his career forward and Martin soon joined the Management team of Harlequin International.  In 2014 Martin achieved Financial Director status.

Martin guides the financial goals of Harlequin and leads the finance department with professionalism, determination and expert skills, ensuring that the company’s financial objectives and obligations are achieved in an ethical and professional manner.




Andrew Acquah Oppan holds a Commonwealth Executive Master of Business Administration from the Kwame Nkrumah University of Science and Technology.  Prior to pursuing the above, Andrew obtained a Bachelor of Science Degree in Administration (Human Resource Management Option) from the Central University College, Accra–Ghana, in 2003.

Having worked organizations such as Ghana Ports and Harbours Authority and the Ghana Civil Aviation Authority among others, Andrew joins the Harlequin with over thirteen (13) years’ experience from the Gold Mining Industry, where he rose through the ranks to the position of Head of Human Resources.

As an active member of the Institute of Human Resource Management Practitioners (IHRMP), for a considerable number of years, Andrew has participated in numerous international and local conferences and seminars in the field of Human Resource (HR) and brings on board his vast professional and managerial experience in the field of H. R. Management and general administration.

Andrew heads the Human Resource/Administration Department of Harlequin, ensuring that an efficient human resource infrastructure is built with an increasing employee commitment and capabilities in strategy execution to creating a renewable organisation.




Kwame Oduro-Yeboah started his career in the UK after first obtaining his B.Eng. (Mechanical Engineering) from Brunel University (UK) and then graduating in M.Sc. Energy Management and Conservation from Middlesex University.  He joined Calor Gas (UK) Ltd as a Graduate Engineer and worked his way up to Plant and Customer Engineering Manager.  During a 10-year tenure, managing the largest through-put LPG Filling Plant in the UK, a top tier Control of Major Accidents and Hazards (COMAH) site, Kwame gained invaluable knowledge and experience.

With 15 years’ experience in the UK, Kwame relocated to Ghana and joined the Harlequin team in 2010, working his way up to QHSE Manager.  The extensive engineering, quality and HSE experience that he gained in the UK ensured that Kwame brought thorough insight to Harlequin International.

Kwame contributed significantly to Harlequin’s successful ISO 9001:2008 accreditation through DNV and continues to lead all Harlequin quality, health, safety and environmental objectives with unwavering attention to detail, commitment and discipline.




Scott Thomson, an engineer with 19 years’ experience in the oil & gas industry, achieved success through fortitude and bold commitment.  He gained experience as a welder and attained weld inspector certification prior to obtaining managerial and operational experience.

In 2008, after working within the oil & gas industry in Aberdeen for more than 10 years, Scott relocated to Ghana and partnered with Barry Williams in LFS Company Limited.  Based in Takoradi and managed by Scott, LFS Company Limited exclusively offered support services to the Oil & Gas industry in Ghana.

After 8 successful years in operation, Scott coordinated the merger of LFS Company Limited into the folds of Harlequin International.  The strategic merger of these two companies gave Harlequin International the opportunity to combine technical skill, vast experience and knowledge with the machine capacity that now provides comprehensive services to the Marine, Power Generation, Mining and Oil & Gas industries in West Africa.

With a wealth of technical knowledge and many years of industry experience, Scott continues to be a driving force in Harlequin’s operations and the exponential growth that has lead Harlequin to be a reputable service provider in the Oil and Gas industry.  Scott’s commitment, together with his remarkable engineering and management skills, have played an integral role in the development of Harlequin’s new facility in Takoradi as well as the successful completion of two OCTP subsea infrastructure development projects.




David Ashong obtained his B.Sc. Business Management and Computer Studies from the Wisconsin International University College and proceeded to obtain Project Management certification in South Africa.  These studies, together with CSWIP Level 1 Welding Inspection Certification from The Welding Institute in England, ensures that David brings a dynamic skillset and wealth of knowledge to Harlequin.

Prior to joining Harlequin in 2014, David was a Project Manager for the Kwarleyz Group – a leading property development company in Ghana.  With 6 years’ experience in management, David is a key member of Harlequin’s management team and has played a strategic role in the growth and expansion of Harlequin.

David’s solid management skills, together with his exceptional project planning, coordination and execution abilities, have been integral in the development of Harlequin’s new facility in Takoradi as well as the successful completion of two OCTP subsea infrastructure development projects.




Maxwell is a member of the Association of Chartered Certified Accountants (ACCA) and a member of the Institute of Chartered Accountants Ghana (ICAG).

He was an Audit Senior with Deloitte and Touché Ghana from November 2011 to October 2019. His engagement with Deloitte enabled him to work in Ghana and other African countries, notably Sierra Leone, Guinea Bissau, and Nigeria.

He audited Companies in the Financial Services Industry (Banks and Insurance Companies), Consumer and Industrial Services Companies, Government Sector and Donor funded projects which includes, AFDB, Danida, AFD and United Nations in Ghana and abroad.

Control weakness of the companies he audited were highlighted to management through management letters and attending BOD meetings to explain better to those charged with Governance.

Meeting multinational organisations timelines provided for audits was one of Maxwell’s key attributes. He was also part of the facilitation and proposal writing team of Deloitte and Touché Ghana.

Maxwell is currently pursuing an MBA program in International Business with Kwame Nkrumah University of Science and Technology (KNUST) to be completed in November 2020.

Maxwell was the Internal Control Officer for Habitat for Humanity Ghana for 2 years before joining Deloitte and Touché Ghana.

He brings to Harlequin, years of experience in external audit to help strengthen the controls in place and to help make Harlequin better.

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