Salim Hassan Macki

Chairman

Salim Macki, Chairman of the OOSC Group of Companies, possesses a Master’s Degree in Petrochemical Engineering from Moscow. He holds the distinction of being the first Omani Petroleum Engineer and has served as the Director General of Oil and Minerals, effectively acting as the Oil Minister.

Mr. Macki’s illustrious career includes diplomatic service as Ambassador for the Government of the Sultanate of Oman. He has dedicated the majority of his professional life to the Oil & Gas industry, where he holds significant respect on the international stage. Over the years, he has held numerous high-ranking executive positions within both private and state-owned entities, both in Oman and abroad.

Following his tenure at the Ministry of Oil, Mr. Macki ventured into entrepreneurship in 1974, founding the Oman Oilfields Supply Center L.L.C. This marked the inception of what would evolve into the OOSC Group of Companies.

Today, the OOSC Group boasts a workforce of over 10,000 employees. Mr. Macki attributes much of his success to his steadfast dedication to his field of expertise, coupled with the opportunities afforded to him throughout his journey.

Basil Macki

Director

Basil Macki’s educational journey began with his early schooling in the UK, setting the stage for his academic pursuits. His dedication and aptitude earned him a scholarship from Petroleum Development Oman (PDO), facilitating his Master’s degree in Mechanical Engineering from the esteemed Imperial College of Science, Technology, and Medicine, London.

Upon graduating from Imperial College in 1996, Basil embarked on his professional career at PDO as a Mechanical Construction Supervisor, stationed in Marmul for an extended period of over 18 months. This initial role marked the genesis of his enduring affiliation with PDO, an organization he regards as his academic and professional alma mater. It was during this tenure that Basil cultivated a participative management style, rooted in hands-on engagement, which would characterize his leadership approach in later years.

Driven by the quest for knowledge and enriched by his diverse experiences, Basil pursued an assignment as a Process Engineer with Shell Holland in 1998. Concurrently, he pursued further academic enrichment, obtaining a Master’s degree in Business Administration from the prestigious Dutch Business School, Nyenrode University.

In 2004, Basil returned to Oman, joining the family business, OOSC, as Head of Oilfield Marketing. Over the course of four years, he demonstrated remarkable leadership in this capacity, culminating in his appointment as Managing Director of OOSC Group and subsequently as Managing Director of STS. Under his visionary stewardship, STS experienced exponential growth, expanding its employee base from 500 to over 10,000 permanent employees by late 2013, when he entrusted the helm to Alex Clark as Chief Executive Officer.

Hanna Macki

Director

Hannah Macki epitomizes the dynamic blend of expertise and leadership in the global real estate arena. With a robust background in real estate management, development, and investment across prominent international locales, she stands as a beacon of success and innovation.

Armed with an MBA from Imperial College, London, with a specialization in innovation and entrepreneurship, Hannah brings a unique perspective to her role as a Director, owner, and investor in various ventures. Her adept management spans across a diverse portfolio of 7 companies, where she orchestrates strategic maneuvers in international real estate, private equity, hedge funds, and more.

As the steward of her family’s financial interests, Hannah’s acumen extends beyond mere profit-making. She champions causes close to her heart, including women’s empowerment and education. Drawing from over 25 years of experience in the real estate and hospitality sectors in the UK and Oman, she actively promotes opportunities for women in diverse fields, embodying her commitment to fostering gender equality and professional development.

Hannah’s dedication to social responsibility extends to environmental conservation as well. As a member of the Environmental Sustainability Organization (ESO), she channels her unwavering passion into campaigns against plastic usage, aligning her business endeavors with a broader mission of sustainability and ecological stewardship.

In her multifaceted role, Hannah not only excels in driving business success but also serves as an inspiring advocate for positive change, leaving an indelible mark on both the corporate landscape and the communities she serves.

Michael Clifford

Group Chief Financial Officer

Michael brings to the table over 30 years of extensive experience across a spectrum of senior investment, financial, and professional practice roles, where he has led pivotal engagements and steered complex corporate projects. His expertise spans financial management, strategic planning, corporate finance, treasury operations, asset management, and corporate governance.

In his current capacity as Group Chief Financial Officer (CFO) at Oman Oilfield Supply Center LLC (OOSC), Michael oversees group finance, corporate finance, and investment management functions. Prior to joining OOSC, he served as CFO at an oil & gas Engineering, Procurement, and Construction (EPC) company in the UAE, where he played a pivotal role in preparing the organization for a public listing. Preceding this role, Michael held the position of Group CFO and CEO Investments at a prominent Abu Dhabi family conglomerate.

Within the realm of professional practice, Michael has made significant contributions during his tenure at Deloitte in Saudi Arabia, the UAE, and Oman, where he served as a director and held a senior specialist role within the Deloitte Middle East Energy Practice. Before transitioning to the Middle East, Michael gained invaluable experience working with several medium-sized firms in Ireland and at Irish Life Assurance Plc.

Michael’s professional accolades include being a Fellow of the Association of Chartered Certified Accountants (ACCA), having achieved qualification in 1998. He currently serves as a member of the Oman Members Advisory Committee and previously held the position of Vice Chairman of the UAE Members Advisory Committee. Additionally, he has been an Associate Member of the Association of Corporate Treasurers since 2006 and actively contributes as a member of the ACT Middle East Committee. Michael is also a proud member of the Global Irish Network.

Arun Desai

CEO – OOSC Oilfield Division & Coating Companies

With over 37 years of extensive experience in the Oil & Gas related Industries, Arun Desai brings a wealth of expertise to the table. Holding a degree in Mechanical and Industrial Engineering, supplemented by a Post Graduate qualification in Management, Arun has navigated diverse roles across his illustrious career.

Currently serving as the Chief Executive Officer of OOSC Oilfield Division & Coating companies, Arun oversees key entities such as Oman Industrial Coating Center in Oman, OOSC Coating in UAE, and the OOSC minerals manufacturing facility including Sohar Advanced Chemicals LLC, Oman.

Prior to his tenure at OOSC Group, Arun held the position of Chief Engineer & Corporate Director for an engineering company specializing in petrochemicals, synthetic fiber plants, and technology transfers. Before this, he contributed his expertise to Petroleum Development Oman, an Exploration and Production Company jointly owned by the Oman Government and Shell International, where he played a significant role in shaping strategic initiatives.

Arun’s extensive industry knowledge, coupled with his leadership acumen, has been instrumental in driving growth and success across various facets of the Oil & Gas sector. His multifaceted background and hands-on experience position him as a valuable asset in the industry landscape.