Management Team


ANTHONY DUFFY

MANAGING DIRECTOR

With over 30 years’ experience in the Mining & Construction Equipment industries, Anthony brings a diverse range of technical skills and management expertise to the Harlequin team. His experience in Sales & Marketing, Business Development, International Business, Project management and other senior management positions, has been instrumental in the growth and expansion of the companies he has worked for.


FAUSTINA ADDO ARJARQUAH

EXECUTIVE ASSISTANT

Faustina is the Executive Assistant to the Directors of Harlequin. She serves as the link between the Managing Director and the Directors to ensure maximum efficiency and smooth delivery of work across all departments.


SCOTT THOMSON

OPERATIONS DIRECTOR

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.


LEYANIS DUBE-GATI (MRS.)

ENGINEERING DIRECTOR

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.


KWAME ODURO-YEBOAH

QHSE MANAGER

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.


KINGSLEY KWATENG

WORKSHOP MANAGER

Kingsley Kofi Kwarteng is an enthusiastic, self-motivated, dedicated, reliable, responsible, and hardworking person. An individual who does not allow failure to stop him from achieving his aims. He started his career as a Craftsman with Ghana Regional Technology Appropriate Industrial Service (GRATIS) in 1996. In 2000, he joined Paterson Zochonise (PZ) as Chief Machinist responsible for machining engineering components and maintenance activities.


MAXWELL ADDO DARKO

FINANCE MANAGER

Maxwell is a Fellow of the Association of Chartered Certified Accountants (FCCA) 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.


ANDREW ACQUAH OPPAN

ADMINISTRATIVE MANAGER

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.


DAVID ASHONG

OPERATIONS AND PROCESS CONTROL MANAGER

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.


DANIEL TWIMASIE

BUSINESS DEVELOPMENT MANAGER

Daniel Twimasie is a marketing and business development professional with a BSc in Business Management from Aston University, UK. Daniel has an extensive background in product management and sales of consumer goods to engineering and construction companies across sub-Saharan Africa and Asia. Daniel has contributed his expertise in small and medium-sized enterprises as well as large multinational organisations.


EZEKIEL KOOMSON

PROCUREMENT LEAD

Ezekiel Koomson, a self-motivated procurement specialist with over 23 years’ experience in supply chain industry in the private sector. With an aggregated work experience in Retail business, Manufacture industries and Engineering companies, he has a strong background in Business Processes.