OiLSERV Executive and Leadership Team

June, 2026

Leadership Overview

OiLSERV has 8 executives leading key functions including strategy, operations, finance, and market development.

Driven by a commitment to excellence, OiLSERV provides world-class oilfield solutions across the Middle East and North Africa, prioritizing ethics and quality in all operations.

Leadership Roles at OiLSERV

  • Chief Executive Officer - Amjad Barzandji
  • Group Chief Financial Officer - Solomon Okodugha
  • Executive Vice President & Chief Financial Officer - Joe Melhem
  • Group Chief Financial Officer - Christopher Okonkwo
  • Chief Operating Officer - Akram Abughalia
  • President - Patrick Van De Slijke
  • President - Samer Salous
  • Group Economist and Chief of Staff To the GCEO - Cephalus Wariri
  • Amjad Barzandji - Chief Executive Officer

    Amjad Barzandji, the Chief Executive Officer at OiLSERV, directs the company's overall strategic vision and operational execution. Barzandji guides OiLSERV's mission to deliver world-class oilfield services with an unwavering focus on ethics and quality throughout the Middle East and North Africa. This leadership role involves overseeing the integrated drilling, cementing, stimulation, wireline logging, and production solutions that define the company's market offering. Amjad Barzandji ensures continuous improvement initiatives are implemented, driving the delivery of market-leading, cost-effective services. The Chief Executive Officer maintains high standards of health, safety, and environmental management, aligning all business dealings with the pursuit of excellence and integrity. Barzandji's strategic direction is crucial for exceeding client expectations and solidifying OiLSERV's position as a trusted partner in the energy sector.

    Solomon Okodugha - Group Chief Financial Officer

    Solomon Okodugha, the Group Chief Financial Officer at OiLSERV, directs the company's financial strategy and fiscal management across its operations in the Middle East and North Africa. Okodugha oversees all financial planning, budgeting, and reporting, ensuring the economic viability and cost-effectiveness of OiLSERV's world-class solutions. The Group Chief Financial Officer plays a critical part in maintaining the company's commitment to ethical practices and quality standards by managing financial resources prudently. Solomon Okodugha is instrumental in supporting continuous improvement efforts through sound financial oversight and strategic investment decisions. This executive ensures that financial operations align with stringent health, safety, and environmental management requirements. Okodugha's leadership in financial stewardship is vital for exceeding client expectations and reinforcing OiLSERV's reputation for integrity and excellence in all its business dealings.

    Joe Melhem - Executive Vice President & Chief Financial Officer

    Joe Melhem, the Executive Vice President & Chief Financial Officer at OiLSERV, shares responsibility for the company's financial health and strategic fiscal direction across the Middle East and North Africa. Melhem collaborates on financial planning and resource allocation to support OiLSERV's provision of world-class oilfield services, emphasizing ethics and quality. The Executive Vice President & Chief Financial Officer contributes to ensuring the cost-effectiveness of integrated drilling, cementing, stimulation, wireline logging, and production solutions. Joe Melhem supports initiatives for continuous improvement and the maintenance of rigorous health, safety, and environmental management standards. This executive's financial acumen is vital in driving the company's pursuit of excellence and integrity, aiming to consistently exceed client expectations through sound financial governance and strategic oversight.

    Christopher Okonkwo - Group Chief Financial Officer

    Christopher Okonkwo, the Group Chief Financial Officer at OiLSERV, contributes to the financial oversight and strategic fiscal management of the company's operations in the Middle East and North Africa. Okonkwo supports the delivery of cost-effective, world-class oilfield services, including integrated drilling, cementing, stimulation, wireline logging, and production solutions, while upholding OiLSERV's commitment to ethics and quality. The Group Chief Financial Officer plays a role in ensuring adherence to high standards of health, safety, and environmental management. Christopher Okonkwo assists in driving continuous improvement and the pursuit of excellence and integrity in all business dealings. This executive's financial expertise is key to meeting client expectations and maintaining OiLSERV's strong market presence through responsible financial stewardship.

    Akram Abughalia - Chief Operating Officer

    Akram Abughalia, the Chief Operating Officer at OiLSERV, manages the day-to-day operational activities and service delivery across the company's extensive portfolio. Abughalia oversees the execution of integrated drilling, cementing, stimulation, wireline logging, and production solutions, ensuring seamless client support in the Middle East and North Africa. The Chief Operating Officer is responsible for implementing operational efficiencies and maintaining the high standards of quality and safety that OiLSERV champions. Akram Abughalia drives the company's commitment to continuous improvement, focusing on cost-effective service delivery without compromising health, safety, and environmental management protocols. This role involves close collaboration with other executive leaders to align operational strategies with the company's overarching goals of exceeding client expectations and upholding integrity in all business dealings. Abughalia's leadership ensures the reliable and effective deployment of OiLSERV's services.

    Patrick Van De Slijke - President

    Patrick Van De Slijke, the President at OiLSERV, leads significant operational divisions and strategic initiatives within the company's Middle East and North Africa service areas. Van De Slijke drives the execution of OiLSERV's commitment to providing world-class oilfield services, focusing on integrated drilling, cementing, stimulation, wireline logging, and production solutions. The President ensures that all operations adhere to the highest standards of ethics, quality, health, safety, and environmental management. Patrick Van De Slijke champions continuous improvement and the delivery of market-leading, cost-effective services tailored to client needs. This leadership role is pivotal in fostering a culture of excellence and integrity, aiming to consistently exceed client expectations and strengthen OiLSERV's reputation as an independent oilfield services leader.
    Patrick Van De Slijke

    Samer Salous - President

    Samer Salous, the President at OiLSERV, oversees key strategic and operational functions, contributing to the company's robust presence in the Middle East and North Africa. Salous directs efforts to deliver world-class oilfield services, including integrated drilling, cementing, stimulation, wireline logging, and production solutions, with a steadfast commitment to ethics and quality. The President ensures that OiLSERV's operations meet stringent health, safety, and environmental management standards, driving continuous improvement across all service lines. Samer Salous focuses on enhancing the cost-effectiveness and market leadership of the company's offerings. This executive's leadership is essential in pursuing excellence and integrity in all business dealings, ensuring OiLSERV consistently exceeds client expectations and maintains its position as a premier independent oilfield services provider.

    Cephalus Wariri - Group Economist and Chief of Staff To the GCEO

    Cephalus Wariri, the Group Economist and Chief of Staff To the GCEO at OiLSERV, provides critical economic analysis and strategic support to the Group Chief Executive Officer. Wariri contributes to the company's market-leading position by offering insights into economic trends impacting the oilfield services sector in the Middle East and North Africa. This dual role involves ensuring operational alignment with the company's core values of ethics and quality, supporting the delivery of integrated drilling, cementing, stimulation, wireline logging, and production solutions. Cephalus Wariri facilitates strategic initiatives aimed at continuous improvement and cost-effectiveness, while upholding high standards of health, safety, and environmental management. The Chief of Staff To the GCEO works closely with executive leadership to translate the company's vision into actionable plans, driving OiLSERV's pursuit of excellence and integrity in all business dealings to exceed client expectations.

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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 Solomon Okodugha (Group Chief Financial Officer) 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), Solomon Okodugha (Group Chief Financial Officer), 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, Group Chief Financial Officer, Executive Vice President & Chief Financial Officer, Group Chief Financial Officer, Chief Operating Officer.