OiLSERV Executive and Leadership Team

September, 2026

Leadership Overview

OiLSERV has 8 executives leading key functions including strategy, administrative governance, operational oversight, financial management, technical quality assurance, and regional leadership.

Focused on delivering world-class energy solutions across the Middle East and North Africa, OiLSERV maintains a relentless commitment to operational excellence, ethical integrity, and high-standard environmental management for all clients.

Leadership Roles at OiLSERV

  • Chief Executive Officer - Amjad Barzandji
  • PA To the Group CEO & Chairman - Mariette Skinner
  • Executive Vice President & Chief Financial Officer - Joe Melhem
  • Group Chief Financial Officer - Christopher Okonkwo
  • Chief Operating Officer - Akram Abughalia
  • To The Technical Assistant & Chief Operating Officer & Quality Assurance Engineer - Chinedu Akaeme
  • President - Samer Salous
  • President - Patrick Van De Slijke
  • Amjad Barzandji - Chief Executive Officer

    Amjad Barzandji, the Chief Executive Officer at OiLSERV, directs the overarching corporate strategy and long-term vision for the organization. By prioritizing ethical standards and quality service delivery, the Chief Executive Officer ensures alignment across all integrated drilling and production service lines. Amjad Barzandji maintains a focus on expanding market presence throughout the Middle East and North Africa while fostering a culture of continuous improvement. This leadership role involves constant engagement with the Board to secure sustainable growth and operational efficiency. Through rigorous oversight of business dealings, the Chief Executive Officer drives the company toward exceeding client expectations in the competitive energy sector. By championing health, safety, and environmental management, the Chief Executive Officer solidifies the reputation of the firm as a premier independent oilfield services provider. Strategic decision-making remains central to the daily responsibilities of the Chief Executive Officer.

    Mariette Skinner - PA To the Group CEO & Chairman

    Mariette Skinner, the PA To the Group CEO & Chairman at OiLSERV, manages the complex administrative workflows and executive communications for the highest levels of leadership. By coordinating critical schedules and facilitating internal information flow, the PA To the Group CEO & Chairman ensures the executive team maintains focus on core strategic objectives. Mariette Skinner optimizes the daily operations of the office, allowing for seamless interaction between the leadership and external stakeholders. This role requires precise attention to detail regarding corporate governance and the maintenance of high professional standards. By streamlining executive tasks, the PA To the Group CEO & Chairman supports the broader mission of delivering cost-effective oilfield services. The position involves managing sensitive documentation and ensuring that the strategic priorities of the Group CEO and Chairman receive immediate attention. Efficiency in this administrative capacity directly impacts the overall agility of the organization.

    Joe Melhem - Executive Vice President & Chief Financial Officer

    Joe Melhem, the Executive Vice President & Chief Financial Officer at OiLSERV, directs the financial strategy and capital allocation for the entire organization. By overseeing fiscal planning and risk management, the Executive Vice President & Chief Financial Officer ensures the company maintains a strong balance sheet to support regional expansion. Joe Melhem manages the financial health of the firm, providing the necessary resources for integrated drilling and production service investments. This leadership role involves close collaboration with the executive team to align financial goals with the broader corporate mission of excellence. By implementing robust financial controls, the Executive Vice President & Chief Financial Officer safeguards the integrity of all business dealings. Joe Melhem monitors market trends to optimize cost-effectiveness across all service offerings. Through disciplined financial stewardship, the Executive Vice President & Chief Financial Officer supports the long-term growth and stability of the company within the energy services sector.

    Christopher Okonkwo - Group Chief Financial Officer

    Christopher Okonkwo, the Group Chief Financial Officer at OiLSERV, manages the consolidated financial reporting and treasury functions for the entire group. By overseeing the financial performance of various service lines, the Group Chief Financial Officer ensures that capital is deployed efficiently to support regional growth initiatives. Christopher Okonkwo directs the budgeting process and monitors cash flow to maintain the financial resilience of the organization. This leadership role involves providing strategic financial insights to the executive team to guide investment decisions in drilling and production technologies. By ensuring compliance with financial regulations, the Group Chief Financial Officer upholds the ethical standards of the company. Christopher Okonkwo works to optimize the cost structure of the business, directly contributing to the delivery of cost-effective solutions for clients. Through rigorous financial analysis, the Group Chief Financial Officer supports the overall mission of achieving excellence in the energy services market.

    Akram Abughalia - Chief Operating Officer

    Akram Abughalia, the Chief Operating Officer at OiLSERV, oversees the execution of integrated drilling, cementing, and stimulation services across regional markets. By managing the deployment of technical resources, the Chief Operating Officer ensures that all field operations meet strict safety and quality benchmarks. Akram Abughalia drives operational efficiency by optimizing service delivery models tailored to specific client requirements in the Middle East and North Africa. This leadership role involves coordinating with technical teams to maintain high standards in wireline logging and production solutions. By monitoring performance metrics, the Chief Operating Officer identifies opportunities for process improvement and cost reduction. Akram Abughalia maintains a focus on scaling operational capacity to meet the evolving demands of the energy industry. Through direct supervision of field activities, the Chief Operating Officer guarantees that the company delivers consistent, high-quality results while adhering to rigorous environmental management protocols.

    Chinedu Akaeme - To The Technical Assistant & Chief Operating Officer & Quality Assurance Engineer

    Chinedu Akaeme, the To The Technical Assistant & Chief Operating Officer & Quality Assurance Engineer at OiLSERV, manages the technical integrity and quality assurance protocols for all field operations. By auditing service delivery processes, the To The Technical Assistant & Chief Operating Officer & Quality Assurance Engineer ensures that cementing, stimulation, and wireline logging activities comply with international safety standards. Chinedu Akaeme provides critical technical support to the operations team, facilitating the seamless execution of complex oilfield projects. This role involves analyzing performance data to identify potential risks and implementing corrective measures to maintain high quality. By bridging the gap between technical requirements and operational execution, the To The Technical Assistant & Chief Operating Officer & Quality Assurance Engineer drives continuous improvement across the Middle East and North Africa. Chinedu Akaeme ensures that every project adheres to the company's commitment to excellence and environmental responsibility.

    Samer Salous - President

    Samer Salous, the President at OiLSERV, leads the strategic development and market positioning of the company within the Middle East and North Africa. By fostering strong client relationships, the President ensures that the organization remains the preferred provider for integrated drilling and production solutions. Samer Salous drives the expansion of service offerings, focusing on delivering value through innovation and quality. This leadership role involves coordinating with regional managers to ensure that business operations align with the overarching corporate mission. By promoting a culture of integrity and excellence, the President influences the professional standards across all departments. Samer Salous monitors competitive dynamics to identify new opportunities for growth and service enhancement. Through active engagement with key stakeholders, the President secures the market-leading position of the firm. Strategic leadership from the President remains essential for maintaining the high standards of health, safety, and environmental management expected by clients.

    Patrick Van De Slijke - President

    Patrick Van De Slijke, the President at OiLSERV, directs the operational strategy and business development efforts for specific high-growth regions. By focusing on the delivery of specialized wireline logging and production solutions, the President ensures that the company meets the unique technical needs of its clients. Patrick Van De Slijke manages the integration of new technologies into existing service workflows to enhance operational efficiency. This leadership role involves overseeing the performance of regional teams and ensuring that all projects adhere to the company's strict quality and safety protocols. By driving innovation in service delivery, the President contributes to the overall competitiveness of the firm in the energy sector. Patrick Van De Slijke maintains a focus on building long-term partnerships with clients through reliable and cost-effective service. Through strategic oversight, the President ensures that the company continues to exceed expectations while upholding the highest standards of integrity.
    Patrick Van De Slijke

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    Frequently Asked Questions Regarding OiLSERV Top Executives and Leadership Team

    Who leads OiLSERV?
    OiLSERV is led by Amjad Barzandji (Chief Executive Officer), along with executives such as Mariette Skinner (PA To the Group CEO & Chairman) and Joe Melhem (Executive Vice President & Chief Financial Officer).
    Who is part of OiLSERV’s executive team?
    The executive team of OiLSERV includes leaders such as Amjad Barzandji (Chief Executive Officer), Mariette Skinner (PA To the Group CEO & Chairman), Joe Melhem (Executive Vice President & Chief Financial Officer) and other senior executives.
    How many executives does OiLSERV have?
    OiLSERV has 8 executives leading key business areas.
    What roles are included in OiLSERV’s leadership team?
    The leadership team of OiLSERV includes roles such as Chief Executive Officer, PA To the Group CEO & Chairman, Executive Vice President & Chief Financial Officer, Group Chief Financial Officer, Chief Operating Officer.